'Know' in the Bible

Send me cedars, evergreens, and algum trees from Lebanon, for I know your servants are adept at cutting down trees in Lebanon. My servants will work with your servants

Our God, will you not judge them? For we are powerless against this huge army that attacks us! We don't know what we should do; we look to you for help."

While he was speaking, Amaziah said to him, "Did we appoint you to be a royal counselor? Stop prophesying or else you will be killed!" So the prophet stopped, but added, "I know that the Lord has decided to destroy you, because you have done this thing and refused to listen to my advice."

So when the envoys arrived from the Babylonian officials to visit him and inquire about the sign that occurred in the land, God left him alone to test him, in order to know his true motives.