[24].Surah An-Nur [The Light]: Ayat 2

২. ব্যভিচারিনী ও ব্যভিচারি উহাদের প্রত্যেককে একশত কষাঘাত করিবে, আল্লাহর বিধান কার্যকারীকরনে উহাদের প্রতি দয়া যেন তোমাদিগকে প্রভাবান্বিত না করে, যদি তোমরা আল্লাহে এবং পরকালে বিশ্বাসী হও, মু’মিনদের একটা দল যেন ইহাদের শাস্তি প্রত্যক্ষ করে। 

 Ayat 2. The woman and the man guilty of adultery illegal intercourse, flog each of them with a hundred stripes. Let not pity withhold you in their case, in a punishment prescribed by Allah, if you believe in Allah and the Last Day. And let a party of the believers witness their punishment. (This punishment is for unmarried persons guilty of the above crime but if married persons commit it, the punishment is to stone them to death, according to Allah's Law).

[Tafseer] The woman and the man guilty of adultery or fornication,- flog each of them with a hundred stripes: Let not compassion move you in their case, in a matter prescribed by Allah, if ye believe in Allah and the Last Day: and let a party of the Believers witness their punishment. Zina includes adultery illegal intercourse between a man and a woman not married to each other. It therefore applies both to adultery (which implies that one or both of the parties are married to a person or persons other than the ones concerned) and to fornication, which, in its strict signification, implies that both parties are unmarried. The law of marriage and divorce is made easy in Islam, so that there may be less temptation for intercourse outside the well-defined bonds of  marriage. This makes for greater self-respect for both man and woman. Other sex offences are also punishable, but this Section applies strictly to Tina as above defined. in Surah 4: ayat 15, and Surah 33: ayat 30. The punishment should be public, in order to be deterrent.