'Knowest Thou Not' in the Bible

And Pharaoh's servants said to him, How long shall this man be a snare to us? Let the men go, that they may serve the LORD their God: knowest thou not yet that Egypt is destroyed?

Then three thousand men of Judah went to the top of the rock Etam, and said to Samson, Knowest thou not that the Philistines are rulers over us? what is this that thou hast done to us? And he said to them, As they did to me, so have I done to them.

Then Abner called to Joab, and said, Shall the sword devour for ever? knowest thou not that it will be bitterness in the latter end? how long shall it be then, ere thou wilt bid the people return from following their brethren?

Knowest thou not this of old, since man was placed upon earth,

Then the angel that talked with me answered and said to me, Knowest thou not what these are? and I said, No, my lord.

And he answered me and said, Knowest thou not what these are? And I said, No, my lord.

Then saith Pilate to him, Speakest thou not to me? knowest thou not, that I have power to crucify thee, and have power to release thee?