Not everything that counts can be counted, and not everything that can be counted counts.

There's a dark side to everything.

The attempt to combine wisdom and power has only rarely been successful and then only for a short while.

Science without religion is lame. Religion without science is blind.

Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction.

Try to become not a man of success, but try rather to become a man of value.