4. An-Nisa (Women)

Surah: 4   Aya: 20

20. Wa-in aradtumu istibdala zawjin makana zawjin waataytum ihdahunna qintaran fala ta/khuthoo minhu shay-an ata/khuthoonahu buhtanan wa-ithman mubeenan
  

  Translation

20. But if you intend to replace a wife by another and you have given one of them a Cantar (of gold i.e. a great amount) as Mahr, take not the least bit of it back; would you take it wrongfully without a right and (with) a manifest sin?