'Son of Man' in the Bible

Verily, verily I say to you, Hereafter ye shall see the heaven opened, and the angels of God ascending and descending on the Son of man.

For no one hath gone up to heaven, but he that came down from heaven, the Son of man, who is in heaven.

And as Moses lifted up the serpent in the wilderness, so must the Son of man be lifted up,

And hath given him authority, to execute judgment likewise, because he is the Son of man.

Labour not for the meat which perisheth, but for that which endureth to everlasting life, which the Son of man will give you; for him hath God the Father sealed.

But Jesus said to them, Verily, verily I say unto you, unless ye eat the flesh of the Son of man, and drink his blood, ye have no life in you.

What if ye shall see the Son of man ascend where he was before?

Jesus therefore saith to them, When ye shall have lifted up the Son of man, then shall ye know that I am, and that I do nothing of myself, but as my Father hath taught me, I speak these things.

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

We have heard out of the law, that the Christ abideth for ever: and how sayest thou, The Son of man must be lifted up?

Who is this Son of man? Then Jesus said to them, Yet a little while is the light with you. Walk while ye have the light, lest darkness overtake you, for he that walketh in darkness, knoweth not whither he goeth.

Jesus saith, Now is the Son of man glorified, and God is glorified by him.