D. R. Kaprekar was born on January 17, 1905, at Dahanu near Mumbai. He was an Indian mathematician who described several classes of natural numbers.

Trees happen to be our closest relatives. What they exhale, we inhale. What we exhale, they inhale. This transaction is on all the time

There is a saying that ‘if we find comfort in the shade today it’s because of that anonymous person who planted a tree a long time ago’.