'Retained' in the Bible

So he took the jars of the people from their hands, and their trumpets; and he sent all the rest of Israel every man to his tent, but retained the three hundred men; and the camp of Mid'ian was below him in the valley.

And I was left alone, and saw this great vision, and there remained no strength in me; and my comeliness was turned in me into corruption, and I retained no strength.

whose soever sins ye remit, they are remitted to them; whose soever sins ye retain, they are retained.