'Know' in the Bible

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

Then Abner called to Joab, “Must the sword devour forever? Do you not know that it will be bitter in the end? How long [will it be] before you tell the people to stop pursuing their brothers?”

You know Abner the son of Ner, that he [only] came to deceive you [with flattering words] and to learn of your going out and coming in, and to find out what you are doing.”

When Joab left David, he sent messengers after Abner, and they brought him back from the well of Sirah; but David knew nothing [about Joab’s action].

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

What more can David say to You? For You know (acknowledge, choose) Your servant, O Lord God.

Because of Your word (promise), and in accordance with Your own heart, You have done all these great and astounding things to let Your servant know (understand).

then if the king becomes angry and he says to you, ‘Why did you go so near to the city to fight? Did you not know that they would shoot [arrows] from the wall?

In order to change the appearance of things [between Absalom and you, his father] your servant Joab did this thing. But my lord has wisdom like the wisdom of the angel of God, to know everything that is in the earth.”

And Hushai said, “You know your father and his men, that they are brave men, and they are enraged and fierce, like a bear deprived of her cubs in the field. Your father is a [shrewd] man of war, and will not spend the night with the people [knowing that you seek his life].

The king asked, “Is the young man Absalom safe?” Ahimaaz answered, “When Joab sent the king’s servant, and your servant, I saw a great turmoil, but I do not know what it was about.”

David said, “What business is this of yours, you sons of Zeruiah, that you should be an adversary to me today? Should anyone be put to death in Israel today? For do I not know that today I am king over Israel?”

So the king said to Joab the commander of the army who was with him, “Go now through all the tribes of Israel, from Dan [in the north] to Beersheba [in the south], and conduct a census of the people, so that I may know the number of the people.”