The 365 · Verses · Day 235 · Justice
A prophet's people shaved their scales, so God commanded the straight balance.
وَزِنُوا۟ بِٱلْقِسْطَاسِ ٱلْمُسْتَقِيمِ
“Weigh with correct scales. (Quran 26:182, Shuʿayb's instruction continued)”
26:182 Read 26:182 with tafsir
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The story
The people of Madyan were merchants, and their sin lived in the marketplace. Shuʿayb ﷺ stood among them with a single, unglamorous demand: weigh honestly. Ibn Kathīr explains the sequence plainly - Allah first commands them to give full measure and forbids them to give short measure, then says, in effect, give as you take and take as you give. The cheat's trick was subtle: demand a brimming scale when buying, tilt a thin one when selling. Against that, the āyah names the instrument itself, al-qisṭās al-mustaqīm, the straight balance. Al-Saʿdī's gloss is one line and unforgettable: it is the just scale that does not lean. Ibn Kathīr adds that the very next breath of Shuʿayb's speech widens the lens - do not shortchange people their things, and do not spread corruption in the land - which he reads, citing the parallel in Sūrat al-Aʿrāf, as everything from fraud at the counter to banditry on the road. Then comes the pressure that keeps a merchant honest when no inspector is near: have taqwā of the One who created you and the generations before you. The scale, in other words, is watched from above. Justice here is not an abstraction argued in a courtroom; it is a thumb kept off the balance when a customer cannot see. That a prophet was sent to a whole nation over the tilt of a weighing-pan tells you how seriously the Qurʾān takes the small, repeatable theft, and how completely it counts the marketplace as a place of worship.
In the language
Al-Zamakhsharī (al-Kashshāf) notices something in what the verse does not say. Measuring, he observes, comes in three grades: the full (wāfin), the deficient (ṭafīf), and the overflowing (zāʾid). The command covers the first - give the obligatory full weight; the prohibition covers the second - never the short weight of the tatfīf condemned elsewhere. But the third, the generous over-measure, is left out of both command and prohibition. His reading of that silence: if you give more than is owed, you have done iḥsān; if you do not, no blame falls on you. Justice is the floor the law enforces; generosity is the ceiling it leaves open. He adds a note on the word qisṭās itself, read with both a ḍamma and a kasra, which he glosses simply as 'the balance,' and reports the view that it is a borrowed word meaning 'justice,' so that the phrase nearly reads 'weigh with the upright justice.' The instrument and the virtue share a name.
Why this verse
Because a scale is where justice becomes physical. You can believe in fairness in the abstract and still shave an ounce when no one is looking. The straight balance is the test God set for the private conscience of the marketplace.
Bring it into today
Find your own weighing-pan - the place where you set the terms and the other side simply trusts you. It might be the hours you bill, the mileage you claim, the review you write, the split you propose to a partner, the change you count back. Al-Saʿdī's image is your standard: a scale that does not lean, in either direction. So run one honest audit. Where do you quietly demand full measure from others - prompt payment, complete effort, exact refunds - while allowing yourself the thin measure when you are the one giving? Name a single such place and correct it before anyone asks. And take Shuʿayb's motive to heart: the fix is not fear of being caught but taqwā of the One who created both you and the generations before you, and who sees the tilt of every pan. Where you can, let the balance tip a little in the other person's favor - that is the iḥsān the verse leaves open to you.
A reflection to carry
Notice that God did not send Shuʿayb ﷺ with a grand theology first; He sent him to fix the weights. The passage moves from the scale outward - full measure, no shortchanging, no corruption in the land - and only then upward to taqwā of the Creator. Justice, in the Qurʾānic order, is not what you do after your faith is settled; it is where your faith is tested. A tilted pan is a small, deniable, endlessly repeatable sin, and for that very reason it exposes the heart more honestly than any dramatic crime. Ask of your own dealings the question the āyah asks of Madyan: when the other side cannot check, does your scale still stand straight?
Sources: Ibn Kathīr, al-Saʿdī, al-Zamakhsharī (al-Kashshāf). The Qur'an and its translation are verified; the scholarship is retold faithfully in our own words and credited to its sources, never reproduced verbatim.
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