Man as an individual is a genius. But men in the mass form the headless monster, a great, brutish idiot that goes where prodded.

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

A ship is always safe at the shore - but that is NOT what it is built for.

If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.

A clever person solves a problem. A wise person avoids it.

If you can't explain it to a six year old, you don't understand it yourself.