Experience is a hard teacher because SHE gives the test first, the lesson afterwards.

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

If Ihad six hours to chop down a tree, I'd spend the first hour sharpening the ax.

All the power that we exercise over others depends on thepower we exercise over ourselves.

Far better to think historically, to remember the lessonsof the past. Thus, far better to conceive of power as consisting in part ofthe knowledge of when not to use all the power you have. Far better to be onewho knows that if you reserve the power not to

The wise man learns more from his enemies than the fool does from his friends.

Differentfields, different grasshoppers; different seas, different fish.

A wise man will make more opportunities than he finds.

Some people suffer in silence louder than others

A room without books is a body without soul

The strongest is never strong enough to be always, the master, unless he transforms strength into right, and obedience into duty.

A language is like living skin itself.