Just consider the ingenuity and balanced design underlying the production of organs and systems in pairs or as single units. just consider the head which is created a single unit and it is but just appropriate not to have created it in more than one unit. A second head would have been only an additional weight, quite unnecessary, seeing that one piece comprises all the senses needed for man. Two heads would have meant two parts for men. So, if he used only one for talk, the other would have been redundant. To have used both simultaneously for the same talk would have been meaningless as no further purpose is served thereby.
A person would have been much handicapped in his business he has to transact, if he had been created with one, instead of a pair of hands. Don’t you see that a carpenter or a mason would be unable to carry on his profession if one of his hands gets paralysed? And in case he tries to do his work with a single hand, he cannot perform it as dexterously and efficiently as with the help of both hands. 1
- Tradition of mufaddal, dictated by Imam Ja’far al-Sadiq to Mufaddal [Mufadhal] ibn `Umar[↩]
