'Knew' in the Bible

And when they lifted up their eyes afar off, and knew him not, they lifted up their voice and wept. And they rent every one his mantle, and sprinkled dust upon their heads toward the heavens.

Because he knew no rest in his craving, he shall save nought of what he most desired.

Oh that I knew where I might find him, that I might come to his seat!

I was a father to the needy, and the cause which I knew not I searched out;

Who is he that obscureth counsel without knowledge? therefore have I uttered what I did not understand; things too wonderful for me, which I knew not.