Wallathee khalaqa al-azwaja kullaha wajaAAala lakum mina alfulki wal-anAAami ma tarkaboon (surah Zukhruf: 12)

Tafseer Tafheem-ul-Quran by Syed Abu-al-A'la Maududi

(43:12) He Who created these pairs, *12 all of them, and provided you ships and cattle on which you ride,

Wallazee khalaqal azwaaja kullahaa wa ja`ala lakum minal fulki wal-an`aami maa tarkaboon

*12) Pairs here does not imply only pairs of men and women among human beings and of males and females among animals and vegetation, but there are countless other things which the Creator has made as matching partners of each other and by whose coming together and combination new and ever new things come into being in the world. For example, among the elements, some can be combined with others and some cannot be. The combination of these which can combine is resulting into various compositions, e.g. the negative and positive charges in electricity are the matching partners of each other and their mutual attraction is causing wonderful things to happen in the world. If man considers the structure and the mutual relationships and the different forms of cooperation and the results of the combination of this and other countless pairs which Allah has created among countless of His creations. He cannot help testifying to the truth that this great workshop of the world is the creation of one and only one Almighty, AlI-Wise Designer, and is functioning only under His care and control, Only a man of mean intelligence could suppose that all this happened, and is happening, without a Wise Being, or there is the possibility in it of the agency and interference of more gods than one.