Power is in tearing human minds to pieces and putting them together again in new shapes of your own choosing.

The pain of hard work is temporary, but the regret of not trying lasts forever.

Reason is， and ought only to be the slave of the passions， and can never pretend to any other office than to serve and obey them.

The energy crisis is a solvable problem—if we act now.

Science is an adventure into the unknown, each discovery a new understanding of nature.