John 8:55 in the King James Version
Yet ye have not known him; but I know him: and if I should say, I know him not, I shall be a liar like unto you: but I know him, and keep his saying.
Context
54 Jesus answered, “If I glorify myself, my glory is nothing. It is my Father who glorifies me, of whom you say that he is our God.
55 You have not known him, but I know him. If I said, ‘I don’t know him,’ I would be like you, a liar. But I know him and keep his word.
56 Your father Abraham rejoiced to see my day. He saw it and was glad.”