'Know' in the Bible

So David said to the young man who told him, “How do you know that Saul and his son Jonathan are dead?”

Then Abner called to Joab and said, “Shall the sword devour forever? Do you not know that it will be bitter in the end? How long will you refrain from telling the people to turn back from following their brothers?”

You know Abner the son of Ner, that he came to deceive you and to learn of your going out and coming in and to find out all that you are doing.”

When Joab came out from David, he sent messengers after Abner, and they brought him back from the well of Sirah; but David did not know it.

Then the king said to his servants, “Do you not know that a prince and a great man has fallen this day in Israel?

For the sake of Your word, and according to Your own heart, You have done all this greatness to let Your servant know.

and if it happens that the king’s wrath rises and he says to you, ‘Why did you go so near to the city to fight? Did you not know that they would shoot from the wall?

in order to change the appearance of things your servant Joab has done this thing. But my lord is wise, like the wisdom of the angel of God, to know all that is in the earth.”

Then two hundred men went with Absalom from Jerusalem, who were invited and went innocently, and they did not know anything.

Moreover, Hushai said, “You know your father and his men, that they are mighty men and they are fierce, like a bear robbed of her cubs in the field. And your father is an expert in warfare, and will not spend the night with the people.

The king said, “Is it well with the young man Absalom?” And Ahimaaz answered, “When Joab sent the king’s servant, and your servant, I saw a great tumult, but I did not know what it was.”

by loving those who hate you, and by hating those who love you. For you have shown today that princes and servants are nothing to you; for I know this day that if Absalom were alive and all of us were dead today, then you would be pleased.

David then said, “What have I to do with you, O sons of Zeruiah, that you should this day be an adversary to me? Should any man be put to death in Israel today? For do I not know that I am king over Israel today?”

The king said to Joab the commander of the army who was with him, “Go about now through all the tribes of Israel, from Dan to Beersheba, and register the people, that I may know the number of the people.”