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

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

The world would be happier if men had the same capacity to be silent that they have to speak.

It takes two years to learn to speak and sixty to learn to keep quiet.

A leader who does not take advice is not a leader.

Silence is one of the great arts of conversation.

An inability to stay quiet . . . is one of the most conspicuous failings of mankind.

If you listen to your fears, you will die never knowing what a great person you might have been.

Never miss a good chance to shut up.

I owe my success to having listened respectfully to the very best advice, and then going away and doing the exact opposite.