It seems like those who are closest to the source of power are those most tempted to want to be the one with that power, however, considering there was no devil at this moment who was there to tempt Lucifer into pride and into falling?
I like the way that Venerable Mary of Agreda explains it in
The Mystical City of God:
CREATION OF THE ANGELS AND THE FALL OF LUCIFER
The angels were created in the empyrean heavens and in the state of grace by which they might be first to merit the reward of glory. For although they were in the midst of glory, the Divinity itself was not to be made manifest to them face to face and unveiled, until they should have merited such a favor by obeying the divine will. The holy angels, as well as the bad ones, remained only a very short time in the state of probation; for their creation and probation with its result were three distinct instants or moments, separated by short intermissions. In the first instant they were all created and endowed with graces and gifts, coming into existence as most beautiful and perfect creatures. Then followed a short pause, during which the will of the Creator was propounded and intimated, and the law and command was given to them, to acknowledge Him as their Maker and supreme Lord, and to fulfill the end for which they have been created. During this pause, instant or interval, Saint Michael and his angels fought that great battle with the dragon and his followers, which is described by the apostle Saint John in the twelfth chapter of the Apocalypse. The good angels, persevering in grace, merited eternal happiness and the disobedient ones, rebelling against God, merited the punishment, which they now suffer.
At first they received a more explicit intelligence of the being of God, one in substance, trine in person, and that they were commanded to adore and reverence Him as their Creator and highest Lord, infinite in his essence and attributes. All subjected themselves to this command and obeyed it, but with a certain difference; the good angels obeyed through love and on account of the justice of it, offering their love and good will, freely and admitting and believing what was above their intelligence, and obeying with joy. Lucifer, on the other hand, submitted himself, because the opposite seemed to him impossible. He did not do it with perfect charity, for he, as it were, was divided in his will between himself and the infallible truth of the Lord. In consequence it happened that the precept appeared to him in a measure difficult and violent, and his fulfilling of it was wanting in love and in the desire to do justice. Thus he exposed himself beforehand to the danger of not persevering. Although grace did not leave him on account of this remissness and slowness in the accomplishment of these first acts, nevertheless his bad disposition began with them; for there remained with him a certain weakness and laxity of virtue and spirit, and the perfection of his nature did not shine forth as it should. It appears to me that the effect of this remissness in Lucifer, is similar to that which is caused in the soul by a deliberate venial sin. I do not say that he sinned mortally, nor even venially at that time, since he fulfilled the precept of God; but this fulfillment was remiss and imperfect, springing more from a sense of overwhelming compulsion, than from a loving willingness to obey. Thus he put himself in danger of falling.
In the second place, the angels were informed that God was to create a human nature and reasoning creatures lower than themselves, in order that they too should love, fear and reverence God, as their Author and eternal Good. They were informed that these were to stand in high favor, and that the second Person of the blessed Trinity was to become incarnate and assume their nature, raising it to the hypostatic union and to divine Personality; that therefore they were to acknowledge Him as their Head, not only as God, but as God and man, adoring Him and reverencing Him as God-man. Moreover, these same angels were to be his inferiors in dignity and grace and were to be his servants. God gave them an intelligence of the propriety and equity, of the justice and reasonableness of such a position. For the acceptation of the merits foreseen of this Mangod was exhibited to them as the source of the grace which they now possessed and of the glory which they were to obtain. They understood also that they themselves had been, and all the rest of the creatures should be created for his glory, and that He was to be their Head. All those that were capable of knowing and enjoying God, were to be the people of the Son of God, to know and reverence Him as their Chief. These commands were at once given to the angels.
To this command all the obedient and holy angels submitted themselves and they gave their full assent and acknowledgment with an humble and loving subjection of the will. But Lucifer, full of envy and pride, resisted and induced his followers to resist likewise, as they in reality did, preferring to follow him and disobey the divine command. This wicked prince persuaded them, that he would be their chief and that he would set up a government independent and separate from Christ. So great was the blindness which envy and pride could cause in an angel, and so pernicious was the infection that the contagion of sin spread among innumerable other angels…
Continued…