The difficultpart in an argument is not to defend one's opinion, but rather to know it.

True youth is a quality which is acquired only with age.

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

Luck iswhat happens when preparation meets opportunity.

Youdon't run twenty-six miles at five minutes a mile on good looks and a secretrecipe.

Wisdomis what you get for a lifetime of listening when you'd have preferred totalk.

All excellent things are as difficult as they are rare

I hold it to be a proof of great prudence for men toabstain from threats and insulting words toward an enemy, for neither ...diminishes the strength of the enemy; but the one makes him more cautious,and the other increases his hatred of you and makes him

A lifemaking mistakes is not only more honorable, butmore useful than a life spent doing nothing at all.

Thereare no secrets. There is no mystery. There is only common sense.

True,Heaven prohibits certain pleasures; but one can generally negotiate acompromise.

No country without an atom bomb could properly consider itself independet.