The point of the above post is that when Jesus is speaking figuratively, either Jesus Himself or the Gospel writer explains what He means. He often uses progressive revelation as a teaching method, going from ambiguity to greater clarity. There are numerous examples of this in the 4 Gospels. Here are some more:
John 4:10-14
**10Jesus answered and said to her, “If you knew the gift of God, and who it is who says to you, ‘Give Me a drink,’ you would have asked Him, and He would have given you living water.”
11She said to Him, “Sir, You have nothing to draw with and the well is deep; where then do You get that living water?
12"You are not greater than our father Jacob, are You, who gave us the well, and drank of it himself and his sons and his cattle?”
13Jesus answered and said to her, “Everyone who drinks of this water will thirst again;
14but whoever drinks of the water that I will give him shall never thirst; but the water that I will give him will become in him a well of water springing up to eternal life.” **
John 8:56-58
**56"Your father Abraham rejoiced to see My day, and he saw it and was glad."
57So the Jews said to Him, “You are not yet fifty years old, and have You seen Abraham?” 58Jesus said to them, “Truly, truly, I say to you, before Abraham was born, I am.” **
John 10:1-10
**1"Truly, truly, I say to you, he who does not enter by the door into the fold of the sheep, but climbs up some other way, he is a thief and a robber.
2"But he who enters by the door is a shepherd of the sheep.
3"To him the doorkeeper opens, and the sheep hear his voice, and he calls his own sheep by name and leads them out.
4"When he puts forth all his own, he goes ahead of them, and the sheep follow him because they know his voice.
5"A stranger they simply will not follow, but will flee from him, because they do not know the voice of strangers."
6This figure of speech Jesus spoke to them, but they did not understand what those things were which He had been saying to them.
7So Jesus said to them again, "Truly, truly, I say to you, I am the door of the sheep.
8"All who came before Me are thieves and robbers, but the sheep did not hear them.
9"I am the door; if anyone enters through Me, he will be saved, and will go in and out and find pasture.
10"The thief comes only to steal and kill and destroy; I came that they may have life, and have it abundantly. **
John 7:38-39
38"He who believes in Me, as the Scripture said, ‘From his innermost being will flow rivers of living water.’"
39But this He spoke of the Spirit, whom those who believed in Him were to receive
John 12:32-33
**32 And I, if I am lifted up from the earth, will draw all peoples to Myself.” 33 This He said, signifying by what death He would die. **
John 21:18-19
**18 Most assuredly, I say to you, when you were younger, you girded yourself and walked where you wished; but when you are old, you will stretch out your hands, and another will gird you and carry you where you do not wish.” 19 This He spoke, signifying by what death he would glorify God. **
Matthew 16:6-12
6 Then Jesus said to them, “Take heed and beware of the leaven of the Pharisees and the Sadducees.” 7 And they reasoned among themselves, saying, “It is because we have taken no bread.”
8 But Jesus, being aware of it, said to them, “O you of little faith, why do you reason among yourselves because you have brought no bread?[a] 9 Do you not yet understand, or remember the five loaves of the five thousand and how many baskets you took up? 10 Nor the seven loaves of the four thousand and how many large baskets you took up? 11 How is it you do not understand that I did not speak to you concerning bread?—but to beware of the leaven of the Pharisees and Sadducees.” 12 Then they understood that He did not tell them to beware of the leaven of bread, but of the doctrine of the Pharisees and Sadducees.
This does not happen in John 6.
God Bless,
Michael
And the hermeneutic is clearly stated as being: