The oldbelieve everything, the middle-aged suspect everything, the young knoweverything.

Thegalleries are full of critics. They play no ball, they fight no fights. Theymake no mistakes because they attempt nothing. Down in the arena are thedoers. They make mistakes because they try many things. The man who makes nomistakes lacks boldness and

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.

We arethe prisoners of ideas.

We mustbe part of the general staff at the inception, rather than the ambulancedrivers at the bitter end.

You andyour spouse should consider the arguments you have, not as calamities in thehistory of your child’sdevelopment, but as opportunities for learning. Take the opportunity to teachyour children the art ofand value in negotiation, and to demonstrate you

Onecomes to believe whatever one repeats to oneself sufficiently often, whetherthe statement be true or false. It comes to be dominating thought in one'smind.

Tobelieve in something, and not to live it, is dishonest.

Thegreatest lesson in life is to know that even fools are right sometimes.

The man with the new idea is a crank until the idea succeeds.

There is a sweet joy that comes to us after sorrow.

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