'Empty' in the Bible

They replied, "If you are going to send the ark of the God of Israel back, don't send it away empty. Be sure to return it with a guilt offering. Then you will be healed, and you will understand why his hand is not removed from you."

You should not turn aside after empty things that can't profit and can't deliver, since they are empty.

Jonathan said to him, "Tomorrow is the new moon, and you will be missed, for your seat will be empty.