You have to know in the Bible: Know ye not that the friendship of the world is enmity with God? Whosoever therefore will be a friend of the world is the enemy of God. James 4:4 Ye adulterers and adulteresses know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God. Know ye Laban, Genesis 29:5 And he said unto them, Know ye Laban the son of Nahor? And they said, We know him. Know ye this day Deuteronomy 11:2 And know ye this day: for I speak not with your children which have not known, and which have not seen the chastisement of the Lord your God, his greatness, his mighty hand, and his stretched out arm, Know ye not that there is a prince 2 Samuel 3:38 And the king hockey sticks said unto his servants, Know ye not that there is a prince and a great man fallen this day in Israel? Know ye that Ramoth in Gilead is ours 1 Kings 22:3 And the king of Israel said unto his servants, Know ye that Ramoth in Gilead is ours, and we be still, and take it not out of the hand of the king of Syria? Know ye not what I and my fathers have done unto all the people of other lands? 2 Chronicles 32:13 Know ye not what I and my fathers have done unto all the people of other lands? were the gods of the nations of those lands any ways able to deliver their lands out of mine hand? Know ye that the Lord he is God Psalm 100:3 Know ye that the Lord he is God: it is he that hath made us, and not we ourselves; we are his people, and the sheep of his pasture.