It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

I am convinced there is only one way to eliminate these grave evils, namely through the establishment of a socialist economy, accompanied by an educational system which would be oriented toward social goals.

Creativity is seeing what others see and thinking what no one else has ever thought.

Our lives will be measured by what we do for others

There are moments when one feels free from one's own identification with human limitations and inadequacies. At such moments one imagines that one stands on some spot of a small planet, gazing in amazement at the cold yet profoundly moving beauty of the eternal, the unfathomable; life and death flow into one, and there is neither evolution nor destiny; only Being.

Anyone can be a genius, if they pick just one specific subject and study it diligently just 15 minutes each day.

A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.