John 13:31-38

31Therefore, when he had gone out, Jesus said, Now is the Son of man glorified, and God is glorified in him. 32If God is glorified in him, God shall also glorify him in himself, and shall immediately glorify him. 33Little children, yet a little while I am with you. Ye shall seek me: and as I said to the Jews, Where I go, ye cannot come; so now I say to you. 34A new commandment I give to you, That ye love one another; as I have loved you, that ye also love one another. 35By this shall all men know that ye are my disciples, if ye have love one to another.

36Simon Peter said to him, Lord, where goest thou? Jesus answered him, Where I go, thou canst not follow me now; but thou shalt follow me afterwards. 37Peter said to him, Lord, why cannot I follow thee now? I will lay down my life for thy sake. 38Jesus answered him, Wilt thou lay down thy life for my sake? Verily, verily, I say to thee, The cock shall not crow, till thou hast denied me three times.