A mind is like a parachute. It doesn't work if it isn't open.

Frank Zappa

Silence is a fence around wisdom.

German proverb

I was complaining that I had no shoes till I met a man who had no feet.

Confucius

The softest things in the world overcome the hardest things in the world. Through this I know the advantage of taking no action.

Lao Tzu

Make yourself sheep and the wolves will eat you.

Benjamin Franklin

A violent wind does not last for a whole morning; a sudden rain does not last for the whole day.

Lao Tzu