Whatever you do in life, surrounded yourself with smart people who’ll argue with you.

True success, true wealth, does not come out of the barrel of a gun.

I have seen enough of one war never to wish to see another.

When elephants fight, ants get killed.

The free flow of conflicting ideas and feelings is critical for creative thinking, for discovering new solutions no one individual would have come to on his own.

Love is the only force capable of transforming an enemy into a friend.

Tact is the knack of making a point without making an enemy.

Give me the liberty to know, to utter, and to argue freely according to conscience, above all liberties.

We can never be sure that the opinion we are endeavoring to stifle is a false opinion; and if we were sure, stifling it would be an evil still.

We are not enemies, but friends. We must not be enemies. Though passion may have strained, it must not break, our bonds of affection.

If we could read the secret history of our enemies, we should find in each man’s life sorrow and suffering enough to disarm all hostility.

It isn’t enough to talk about peace. One must believe in it. And it isn’t enough to believe in it. One must work at it.

Nobody is more inferior than those who insists on being equal.

Life without love is like a tree without blossoms or fruit.

There are far, far better things ahead than any we leave behind.

In a word, each man is questioned by life; and he can only answer to life by answering for his own life; to life he can only respond by being responsible.

He that hunts others, must run himself.

The truth is always exciting. Speak it, then. Life is dull without it.

Intellectual growth should commence at birth and cease to exist at death.

I hope you live a life you're proud of. If you find that you are not, I hope you have the strength to start all over again.

Nobody realizes that some people expend tremendous energy merely to be normal.

The wise man accepts his pain, endures it, but does not add to it.

First, have a definite, clear practical ideal; a goal, an objective. Second, have the necessary means to achieve your ends; wisdom, money, materials, and methods. Third, adjust all your means to that end.

Wisdom is nothing but a preparation of the soul, a capacity, a secret art of thinking, feeling and breathing thoughts of unity at every moment of life.