Better hazard than always be in fear.

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

To be spiritual is not to reject reason but to go beyond it.

It's not only later than you think- it's sooner than you suspect.

Themost important thing in communication is to hear what isn't being said.

Imagination is useful as long as it remains practical.

Pessimism, when you get used to it, is just as agreeable as optimism.

Listening,not imitation, may be the sincerest form of flattery.

Nothing so wonderfully concentrates the mind as theprospect of a hanging.

Whenyou cannot make up your mind which of two evenly balanced courses of actionyou should take choose the bolder.

It isnot necessary to understand things in order to argue about them.

Man alone contains within himself as many species as exist on earth.