'It is I' in the Bible

If you have love for those who have love for you, what credit is it to you? for even sinners have love for those who have love for them.

And if you do good to those who do good to you, what credit is it to you? for even sinners do the same.

And if you let those have the use of your money, from whom you are hoping to get it back, what credit is it to you? even sinners do so to sinners, hoping to get back as much as they gave.

See; my hands and my feet: it is I myself; put your hands on me and make certain; for a spirit has not flesh and bones as you see that I 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;