'Son of Man' in the Bible

And He said to him, Truly, truly, I say to you, Hereafter you shall see Heaven open, and the angels of God ascending and descending upon the Son of Man.

And no one has ascended up to Heaven except He who came down from Heaven, the Son of Man who is in Heaven.

But even as Moses lifted up the serpent in the wilderness, even so must the Son of Man be lifted up,

For as the Father raises the dead and makes alive, even so the Son of Man makes alive whomever He wills.

and has given Him authority to execute judgment also, because He is the Son of Man.

Do not labor for the food that perishes, but for that food which endures to everlasting life, which the Son of Man will give you. For God the Father sealed Him.

Then Jesus says to them, Truly, truly, I say to you, Unless you eat the flesh of the Son of Man, and drink His blood, you do not have life in yourselves.

Then what if you should see the Son of Man going up where He was before?

Then Jesus said to them, When you have lifted up the Son of Man, then you shall know that I AM, and that I do nothing of Myself, but as My Father has taught Me, I speak these things.

And Jesus answered them, saying, The hour has come that the Son of Man should be glorified.

The crowd answered Him, We have heard out of the Law that Christ lives forever. How do you say, The Son of Man must be lifted up? Who is this Son of Man?

Then when he had left, Jesus said, Now the Son of Man is glorified, and God is glorified in him.