69. Here the miracle of the birth of man from a mere sperm drop and the procreation of his offspring from man and woman have been cited as a proof of Tauhid. Though both man and woman belong to the same genus, they are two species, having important common human characteristics but different physical structures and psychological traits. It is a proof of Tauhid that the All- Powerful Allah has used this difference for making the two as complements and not antagonists. It is also the design of the All-Powerful Creator that He is creating sons and daughters in the world in due proportion Then the sons marry and create blood relationships, and the daughters are married and become means of forming new relationships. This process goes on widening to produce families, tribes and nations belonging to the same race and bound by the same civilization.
The verse has also a subtle suggestion: The entire life is being run on the principle of difference. For example, the difference between the night and the day, the summer and the winter, etc. Therefore, O Muslims, you should patiently endure the differences you are having with your opponents for these are certain to produce good results.