Can thoughts be sinful?

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HyeDetroit

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I was thinking about this earlier today…

Matthew 5:28 says:

“…but I say to you that everyone who looks at a woman with lust for her has already committed adultery with her in his heart.”

Does sinning always require an action? Is thinking about sinning a mortal sin in itself?

According to the above quote, is there a difference in thinking about stealing something as opposed to actually committing the crime?

So many questions…
 
This is what I learned, maybe someone else can explain it better…

Yes thoughts can be sinful. If someone sits there dwelling on a negative/sinful thought then they are sinning. If it’s something that just pops into your head and you don’t dwell on it, then you aren’t sinning.

I’m not sure what exactly would be considered a mortal sin, but that probably depends on what you are thinking about.

If Jesus says you already committed adultery in your heart if you think of someone lustfully then I would guess that you committed a grave sin. I would guess this because adultery=grave matter.

I hope this makes some sense?
 
Yes, thoughts can be sinful.

Simply thinking about something that can be sinful is not sinful in itself. Consenting to the thought and entertaining/acting upon it is indeed sinful because the Gospel and Church teaches us that we must avoid temptations/occasions of sin. When we have a potentially sinful thought, we are supposed to try to put it out of our mind and pray for God’s help and the help of the angels and saints’ intercession. St. Michael’s prayer is really helpful in this instance, as are the prayers to Mary asking for her prayers.

Archbishop Fulton J. Sheen had a wonderful talk on TV (which was shown by EWTN recently 🙂 ) in which he discussed the psychology of temptations. They can help anyone understand the matter of sin and temptations.

Part 1
Part 2
Part 3
 
Yes, thoughts can certainly be sinful.

There are a few reasons, every sinful action begins with a thought that we did not dismiss immediately and we thought about it and planned on doing it.

With the example of lust, even if we never commit adultery but we only think lustfully about someone we don’t love that person we just lust after them.

The Pharisees did all the actions of the law but they had no love in their hearts, this is because they has sinful thoughts within their hearts, see the parable of the Pharisee, in Luke 18:9.
 
Does sinning always require an action?
Yes, heh, the act of sin.

More specifically though, the kind of sinning you’re referring to requires deliberate consent of the will, full knowledge, and grave matter.
Is thinking about sinning a mortal sin in itself?

According to the above quote, is there a difference in thinking about stealing something as opposed to actually committing the crime?
This depends on the sense in which you mean “thinking.”

It is normal for teenage boys to have sexual thoughts due to increased levels of hormones in their bodies. The thing with thoughts, though, is that we aren’t always in control fo them. For a teenage guy to be sitting in math class and all of a sudden have an impure thought pass through his mind would not be considered sin on his part if he did not consent to have that thought. Assuming he caught himself, put that thought at the back of his mind, and re-focused, there would have been no sin committed. However, had he decided to entertain that thought with a heated fantasy, said guy would indeed be sinning, although the degree to which he is sinning would still be debatable.

A fleeting thought of envy or an impulsive urge to steal would not, in and of itself, be sinful. However, the moment you have begun to entertain by thought a complicated scheme of thievery, you have committed a sin.

I hope that helps you out.
 
Does sinning always require an action? Is thinking about sinning a mortal sin in itself?
Thinking is an action. So yes, impure thoughts or fantasies, they are sins. If something impure pops into your imagination but you don’t expound on that thought - then there is no sin.
 
Thinking is an action. So yes, impure thoughts or fantasies, they are sins. If something impure pops into your imagination but you don’t expound on that thought - then there is no sin.
What would happen if you keep thinking about sinning and then you decide to stop thinking that because you know you are sinning?

If I do not make sense, here is what I mean in a different way.

Thought pops in head…think “hey that would be neat”… think some more… then say I must stop so I do not have to go to the confessional 😃

I hopw that makes more sense.

God Bless
 
Yes of course thoughts can be sinful. Now obviously thinking lustfully about a woman is not as severe as sleeping with her, nor is thinking about killing someone as severe as actually doing it. But that does not change the fact that thoughts absolutely can be sinful and we are called to not only be pure in action but pure in thought.
 
Yes of course thoughts can be sinful. Now obviously thinking lustfully about a woman is not as severe as sleeping with her, nor is thinking about killing someone as severe as actually doing it. …
I wouldn’t want to defend that considering Matthew 5:28
But I say to you that every one who looks at a woman lustfully has already committed adultery with her in his heart
 
Yes, thoughts can be sinful. Entertaining lustful thoughts, for example, can be a grave sin. Also, another example is wishing evil on another person in your thoughts. That can also be a sin.
 
I am trying to make right in the sight of God, after a slight hiatus that took me on a spiritual journey which brought me back to the Church. It has been nearly 2 years since my last confession, and that was when I was going quite regularly, almost weekly, for a time. As I am trying to work on my examination of conscience, I am worried about things that happened before this 2 year period, things that I didn’t confess before both because I had forgotten about them at the time, and that I doubted whether they were actually sinful.

I read through the scrupulous 10 commandments, which would indicate that some of the things I’m doubtful of I need not worry about. But I don’t think I fit the category. The things I’m doubtful of are things that happened once, briefly, and many, many years ago, when I was an adolescent. In particular, I’m concerned about briefly entertaining a thought I had in response to a comment made by an elderly relative of mine who indicated she was concerned for her safety. My gut reaction was to protect her at all costs, and the thought of poisoning the person she feared came to mind. If I remember correctly, I only thought about this “plan” for less than a day, but I did think about it. At the time, I did not think of it as something bad - I saw it as defending this elderly relative of mine. Like I said, I was young. In retrospect, of course, many other “solutions” come to mind that would likewise protect her without harming anyone. I never had a similar thought about anyone else.

A couple years later, I joined the military, and of course as part of the training we were taught to seek blood of “the enemy”. Although I understand that the church’s stance on war is that it can be justifiable, I personally am a pacifist now. I have no qualms about the thoughts I had about “shooting to kill”, in the military, probably bc my mentality was that it was about self-defense (kill or be killed). And since this earlier episode with the thoughts to kill was also based on a perceived defense of the elderly relative, I am left confused as to whether this needs to be confessed.

Another question would be this - if one confesses to sex outside of marriage without going into details of the circumstances (ie. the marital status of the persons involved), does this absolve one from all the acts in that category? Or would premarital sex be one sin, and sex with someone in separation from their spouse be an additional sin?

I don’t want to have these sorts of things hanging over my head after my next confession. I’m on the straight-and-narrow road now, and I have been drawing closer to God, and I want to focus on more frequent confessions and working on sins that are still rearing their ugly head in my life today, not things that I never struggle with anymore.

I know I can err on the side of caution and confess to be on the safe side, but the thing is that these are very ugly things that I’d rather not bring up unless absolutely necessary. I already have sorrow for these and have amended my life to not repeating them.
 
What about planning the perfect murder (like say, how you would have gotten close to and killed Hitler) or planning an intricate bank robbery just for fun, as a mental exercise with no intention of ever doing anything even remotely like that?
 
Mortal sin = Grave matter + Free will + Knowledge of sinfulness

Thoughts that just pop into your head don’t count–no free will. Unless, you allow them to linger. If you see something that causes you to think sinful thoughts and say a Hail Mary or do something to get rid of it, then you didn’t sin.

And rather than plan the “perfect murder” or “perfect heist,” why not put your mental abilities to the test trying to figure out perpetual energy or how sewing machines work… 😃 Point being–there are less questionable things to think about than things that are so close to the line that you risk your state of grace.
 
Is it a sinful to have thoughts of fear if there is a reason?
 
Thank you. I felt sure in my heart that it wasn’t and thought the same as you.
 
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