51:49

وَمِن كُلِّ شَيْءٍ خَلَقْنَا زَوْجَيْنِ لَعَلَّكُمْ تَذَكَّرُونَ

Transliteration:

Wamin kulli shay-in khalaqna zawjayni laAAallakum tathakkaroona

Word by Word:

And of every thing We have created pairs, so that you may remember.

Translations:

And in everything have We created opposites, so that you might bear in mind [that God alone is One].

And of every thing We have created pairs: That ye may receive instruction.

And all things We have created by pairs, that haply ye may reflect.

And of everything We have created pairs that you may be mindful.

And of all things We created two mates; perhaps you will remember.