New Revised Standard Version
Jesus answered, “Even if I testify on my own behalf, my testimony is valid because I know where I have come from and where I am going, but you do not know where I come from or where I am going.

Contemporary English Version
Jesus replied: Even if I do speak for myself, what I say is true! I know where I came from and where I am going. But you don't know where I am from or where I am going.

New American Bible
Jesus answered and said to them, “Even if I do testify on my own behalf, my testimony can be verified, because I know where I came from and where I am going. But you do not know where I come from or where I am going.

Douay-Rheims Bible
Jesus answered and said to them: Although I give testimony of myself, my testimony is true: for I know whence I came and whither I go.

Jesus answered and said to them: Although I give testimony of myself, my testimony is true: for I know whence I came and whither I go.

yet.

Numbers 12:3 (For Moses was a man exceeding meek above all men that dwelt upon earth)

Nehemiah 5:14-19 And from the day, in which the king commanded me to be governor in the land of Juda, from the twentieth year even to the two and thirtieth year of Artaxerxes the king, for twelve years, I and my brethren did not eat the yearly allowance that was due to the governors. . . .

2 Corinthians 11:31 The God and Father of our Lord Jesus Christ, who is blessed for ever, knoweth that I lie not.

2 Corinthians 12:11,19 I am become foolish. You have compelled me: for I ought to have been commended by you. For I have no way come short of them that are above measure apostles, although I be nothing. . . .

for.

John 8:42 Jesus therefore said to them: If God were your Father, you would indeed love me. For from God I proceeded and came. For I came not of myself: but he sent me.

John 7:29 I know him, because I am from him: and he hath sent me.

John 10:15,36 As the Father knoweth me, and I know the Father: and I lay down my life for my sheep. . . .

John 13:3 Knowing that the Father had given him all things into his hands and that he came from God and goeth to God,

John 14:10 Do you not believe that I am in the Father and the Father in me? The words that I speak to you, I speak not of myself. But the Father who abideth in me, he doth the works.

John 16:28 I came forth from the Father and am come into the world: again I leave the world and I go to the Father.

John 17:8 Because the words which thou gavest me, I have given to them. And they have received them and have known in very deed that I came out from thee: and they have believed that thou didst send me.

but.

John 7:27,28 But we know this man, whence he is: but when the Christ cometh, no man knoweth, whence he is. . . .

John 9:29,30 We know that God spoke to Moses: but as to this man, we know not from whence he is. . . .