Be dutiful to your Lord

O mankind! Be dutiful to your Lord, Who created you from a single person (Adam), and from him (Adam) He created his wife (Hawwa (Eve)), and from them both He created many men and women and fear Allah through Whom you demand your mutual (rights), and (do not cut the relations of) the wombs (kinship). Surely, Allah is Ever an AllWatcher over you.(Surah: An-Nisa, Verse #: 1 )

And give unto orphans their property and do not exchange (your) bad things for (their) good ones; and devour not their substance (by adding it) to your substance. Surely, this is a great sin.(Surah: An-Nisa, Verse #: 2 )

And if you fear that you shall not be able to deal justly with the orphangirls, then marry (other) women of your choice, two or three, or four but if you fear that you shall not be able to deal justly (with them), then only one or (the captives and the slaves) that your right hands possess. That is nearer to prevent you from doing injustice.(Surah: An-Nisa, Verse #: 3 )

And give to the women (whom you marry) their Mahr (obligatory bridal money given by the husband to his wife at the time of marriage) with a good heart, but if they, of their own good pleasure, remit any part of it to you, take it, and enjoy it without fear of any harm (as Allah has made it lawful).(Surah: An-Nisa, Verse #: 4 )