Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am.
King James Version (public domain)
Traditionally attributed to John · 1st century AD · One of the twelve apostles of Jesus; the "beloved disciple"
What does John 8:58 say in the KJV?
Context
56Your father Abraham rejoiced to see my day: and he saw it, and was glad.
57Then said the Jews unto him, Thou art not yet fifty years old, and hast thou seen Abraham?
58Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am.
59Then took they up stones to cast at him: but Jesus hid himself, and went out of the temple, going through the midst of them, and so passed by.