Deuteronomy 25:15
King James Version
“thou shalt have a perfect and just weight, a perfect and just measure shalt thou have: that thy days may be lengthened in the land which the LORD thy God giveth thee.”
Context
12Then thou shalt cut off her hand, thine eye shall not pity
13Thou shalt not have in thy bag divers weights, a great and a small.
14Thou shalt not have in thine house divers measures, a great and a small.
15thou shalt have a perfect and just weight, a perfect and just measure shalt thou have: that thy days may be lengthened in the land which the LORD thy God giveth thee.
16For all that do such things, all that do unrighteously, an abomination unto the LORD thy God.
17Remember what Amalek did unto thee by the way, when ye were come forth out of Egypt;
18How he met thee by the way, and smote the hindmost of thee, all feeble behind thee, when thou faint and weary; and he feared not God.