Human beings may look different! The color of their skin may differ. The color of their eyes and hair may vary. Their features may be as varied as is theoretically possible. They may dress differently and speak different languages.
But despite all these differences, the human mind works exactly in the same way - whatever be the nationality, language, customs, traditions, religion and beliefs of the individuals.
So it is small wonder that we find the same ideas being conveyed through the proverbs in different languages.
Here is a comparative study of the parallel proverbs in Tamil and English.