'Knew' in the Bible

And I stand over him, and put him to death, for I knew that he doth not live after his falling, and I take the crown which is on his head, and the bracelet which is on his arm, and bring them in unto my lord hither.'

And Joab goeth out from David, and sendeth messengers after Abner, and they bring him back from the well of Sirah, and David knew not.

And it cometh to pass in Joab's watching of the city, that he appointeth Uriah unto the place where he knew that valiant men are;