When angry, count to ten before you speak; if very angry ahundred.

He that is unkind to his own will not be kind to others.

Deep-seatedpreferences cannot be argued about.

We owealmost all our knowledge not to those who have agreed but to those who havediffered.

I know youbelieve you understand what you think I said, but I'm not sure you realizethat what you heard isn't what I meant.

Neveranswer a letter while you are angry.

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

This creative man, who in his own selfish affairs is a coward to the backbone, will fight for an idea like a hero.

There isno squabbling so violent as that between people who accepted an ideayesterday and those who will accept the same idea tomorrow.

When regard for truth has been broken down or evenslightly weakened, all things will remain doubtful.

Washing one's hands of the conflict between the powerfuland the powerless means to side with the powerful, not to be neutral.

Men are mortal, but ideas are immortal.