Be ye angry, and sin not: let not the sun go down upon your wrath:
Ephesians 4:26
King James Version (public domain)
Traditionally attributed to Paul · 1st century AD · Thirteen epistles of the New Testament are traditionally attributed to him
Context
24And that ye put on the new man, which after God is created in righteousness and true holiness.
25Wherefore putting away lying, speak every man truth with his neighbour: for we are members one of another.
26Be ye angry, and sin not: let not the sun go down upon your wrath:
27Neither give place to the devil.
28Let him that stole steal no more: but rather let him labour, working with his hands the thing which is good, that he may have to give to him that needeth.