An Nur Ayah 32

وَأَنكِحُواْ ٱلْأَيَـٰمَىٰ مِنكُمْ وَٱلصَّـٰلِحِينَ مِنْ عِبَادِكُمْ وَإِمَآئِكُمْ‌ۚ إِن يَكُونُواْ فُقَرَآءَ يُغْنِهِمُ ٱللَّهُ مِن فَضْلِهِۦ‌ۗ وَٱللَّهُ وَٲسِعٌ عَلِيمٌ ٣٢ Marry off the ?free? singles among you, as well as the righteous of your bondmen and bondwomen. If they are poor, Allah will enrich them out of His bounty. For Allah is All-Bountiful, All-Knowing.