The purpose of education is to replace an empty mind with an open one

Life is like a bicycle. Whoever stops pedaling will fall over.

"Sometimes the questions are complicated and the answers are simple."

"When you have got an elephant by the hind leg, and he is trying to get away, it's best to let him run."

"In the right light, at the right time, everything is extraordinary."

It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.