Man must not check reason by tradition, but must check tradition by reason.

Mandoes not live by words alone, despite the fact that sometimes he has to eatthem.

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…

Friendship increases in visiting friends, but in visiting them seldom.

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

The mostimportant things are the hardest to say, because words diminish them.

Manyspeak much who cannot speak well.

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

Freedom demands respect for the freedom of others.

The present is never a happy state to any being

There is no knowledge that is not power.

Small deeds done are better than great deeds planned