'Quietly' in the Bible

When Boaz had finished his meal and was feeling satisfied, he lay down to sleep at the far end of the grain heap. Then Ruth crept up quietly, uncovered his legs, and lay down beside him.

David's men said to him, "This is the day about which the Lord said to you, 'I will give your enemy into your hand, and you can do to him whatever seems appropriate to you.'" So David got up and quietly cut off an edge of Saul's robe.

You will say, "I will invade a land of unwalled towns; I will advance against those living quietly in security -- all of them living without walls and barred gates --