let not the sun go down upon one's wrath, neither give place to the devil

Etymology
An allusion to Ephesians 4:26–27, viz. “…let not the sun go down upon your wrath: // Neither give place to the devil.”

Verb

 * 1) Seek to dispel ill-will before a day’s end, and not to act upon desires for vengeance.
 * 2) * 1683, John Kettlewell, An Help and Exhortation to Worthy Communicating; or, A Treatiſe Deſcribing the Meaning, Worthy Reception, Duty, and Benefits of the Holy Sacrament, part III: “Of the Hindrances that keep Men from the Communion”, chapter III: ‘Of want of Charity’, page 279
 * And this Remedy St. Paul preſcribes to prevent all Wrath and Revengeful Carriage. Let not the Sun go down upon your Wrath, neither give place to the Devil, or to a † Calumniator and Accuſer, i. e. to exaſperating Thoughts and Inſinuations, whether ſuggeſted to us by our own minds, or by the whiſperings of others, Eph. 4. 26, 27.
 * † τῳ διαβόλῳ.