A book, tight shut, is but a block of paper.

You can be erudite with knowledge of others; you can be wise only with your wisdom.

If absolute power corrupts absolutely, does absolutepowerlessness make you pure?

Before youbuild a better mousetrap, make sure you have some mice out there.

A quiettongue shows a wise head.

My fathersaid: you must never try to make all the money that's in a deal. Let theother fellow make some money too, because if you have a reputation for alwaysmaking all the money, you won't have many deals.

All marriedcouples should learn the art of battle as they should learn the art of makinglove. Good battle is objective and honest never vicious or cruel. Good battleis healthy and constructive, and brings to a marriage the principle of equalpartnership.

Ignorance is a form of environmental pollution.

The roots of education are bitter, but the fruit is sweet.

Sorrow and silence are strong, and patient endurance is god-like.

If you are standing upright, don't worry if your shadow is crooked.

The warexisting between the senses and reason.