Deuteronomy 25:15

15 A full and just weight you shall have, a full and just measure you shall have; that your days may be prolonged in the land which the LORD your God gives you.

Deuteronomy 25:15 Meaning and Commentary

Deuteronomy 25:15

[But] thou shall have a perfect and just weight, a perfect and
just measure shall thou have
That is, full weights, and full measures; and such as are alike, and everywhere used, according to the standard of the country; (See Gill on Leviticus 19:36);

that thy days may be lengthened in the land which the Lord thy God
giveth thee;
long life was always reckoned a blessing, and is frequently promised to, obedience, and particularly long life in the land of Canaan; which was a most delightful and fruitful land, and which a man might wish to live long in; deceitful men, are threatened with not living half their days, and such may they be said to be that use false weights and measures, ( Psalms 55:23 ) .

Deuteronomy 25:15 In-Context

13 "You shall not have in your bag two kinds of weights, a large and a small.

14 You shall not have in your house two kinds of measures, a large and a small.

15 A full and just weight you shall have, a full and just measure you shall have; that your days may be prolonged in the land which the LORD your God gives you.

16 For all who do such things, all who act dishonestly, are an abomination to the LORD your God.

17 "Remember what Am'alek did to you on the way as you came out of Egypt,