Psalm 103:9
"He will not always chide: neither will he keep his anger for ever."
Cross References (ranked by relevance)
For I will not contend for ever, neither will I be always wroth: for the spirit should fail before me, and the souls which I have made.
For his anger endureth but a moment; in his favour is life: weeping may endure for a night, but joy cometh in the morning.
Will he reserve his anger for ever? will he keep it to the end? Behold, thou hast spoken and done evil things as thou couldest.
Go and proclaim these words toward the north, and say, Return, thou backsliding Israel, saith the LORD; and I will not cause mine anger to fall upon you: for I am merciful, saith the LORD, and I will not keep anger for ever.