'It is I' in the Bible

"If you love those who love you, what credit is it to you? Why, even bad men love those who love them.

And if you are kind to those who are kind to you, what credit is it to you? Even bad men act thus.

And if you lend to those from whom you hope to receive, what credit is it to you? Even bad men lend to their fellows so as to receive back an equal amount.

So He said, “The secrets of the kingdom of God have been given for you to know, but to the rest it is in parables, so thatLooking they may not see,and hearing they may not understand.

Why, what benefit is it to a man to have gained the whole world, but to have lost or forfeited his own self.

He said to them,“When you pray, say:‘Father, hallowed be Your name.Your kingdom come.

and, on the third, I am to be made perfect. Nevertheless, I must needs, to-day, and tomorrow, and the following, be journeying on, because it is impossible that a prophet perish, outside Jerusalem.

"Another said, "'I am just married. It is impossible for me to come.'

Then said he unto the disciples, It is impossible but that offences will come: but woe unto him, through whom they come!

Behold my hands and my feet, that it is I myself: handle me, and see; for a spirit hath not flesh and bones, as ye see me have.

And he said to them, So it is in the Writings that the Christ would undergo death, and come back to life again on the third day;