Matt.21.25  The baptism of John, whence was it? From heaven or from men?" And they argued with one another, "If we say, `From heaven,' he will say to us, `Why then did you not believe him?'
Luke.20.7  So they answered that they did not know whence it was.
John.3.8  The wind blows where it wills, and you hear the sound of it, but you do not know whence it comes or whither it goes; so it is with every one who is born of the Spirit."
John.8.14  Jesus answered, "Even if I do bear witness to myself, my testimony is true, for I know whence I have come and whither I am going, but you do not know whence I come or whither I am going.
Rev.7.13  Then one of the elders addressed me, saying, "Who are these, clothed in white robes, and whence have they come?"