Renown and repose do not go together.

Beware of the chap who reminds you that you can't take it with you . he'll try to take it with him.

To beprepared is half the victory.

Everything has been thought of before, but the difficulty is to think of it again

Men are mortal, but ideas are immortal.

First-rate men employ first-rate men; second-rate men employ third-rate men.

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

Peoplewho are too concerned with how well they are doing will be less successfuland feel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation,or between extrinsic and intrinsic motivation…

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

Human beings are not perfectible. They are improvable.

In anyfree society, the conflict between social conformity and individual libertyis permanent, unresolvable, and necessary.

Knowlege is two-fold, and consists not only an affirmation of what is true, but in the negation of that which is faise