A critic is a man who knows the way but can't drive the car.

Long-rangeplanning works best in the short term.

No onecan persuade another to change. Each of us guards a gate of change that canonly be opened from the inside. We cannot open the gate of another, either byargument or emotional appeal.

There is no comparison between that which is last by not succeding and that what is last by not trying.

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

Teaching may contribute to certain kinds of learning under certain circumstances.

Tact is the ability to make a person see the lightning without letting him feel the bolt.

Itmatters not whether you win or lose; what matters is whether I win or lose.

Be your own judge and you will be happy.

What wesee depends mainly on what we look for.

To everyanswer you can find a new question.

I have learned through bitter experience the one supremelesson to conserve my anger, and as heat conserved is transmitted intoenergy, even so our anger controlled can be transmitted into a power that canmove the world.