'Retain' in the Bible

He taught me, and said to me: "Let your heart retain my words. Keep my commandments, and live.

"'Will he retain [his anger] forever? Will he keep it to the end?' Behold, you have spoken and have done evil things, and have had your way."

Behold, one in the likeness of the sons of men touched my lips: then I opened my mouth, and spoke and said to him who stood before me, my lord, by reason of the vision my sorrows are turned on me, and I retain no strength.

At the end of years they shall join themselves together; and the daughter of the king of the south shall come to the king of the north to make an agreement: but she shall not retain the strength of her arm; neither shall he stand, nor his arm; but she shall be given up, and those who brought her, and he who became the father of her, and he who strengthened her in those times.

Who is a God like you, who pardons iniquity, and passes over the disobedience of the remnant of his heritage? He doesn't retain his anger forever, because he delights in loving kindness.

Whoever's sins you forgive, they are forgiven them. Whoever's sins you retain, they have been retained."