A billion here, a billion there, pretty soon it adds up to real money.
To be willing to die for an idea is to set a rather high price on conjecture.
Nothing has a stronger influence psychologically on their environment and especially on their children than the unlived life of the parent.
Never part without loving words to think of during your absence. It may be that you will not meet again in life.
Experience is that marvelous thing that enables you to recognize a mistake when you make it again.
As a scientist, I am not sure anymore that life can be reduced to a class struggle, to dialectical materialism, or any set of formulas. Life is spontaneous and it is unpredictable, it is magical. I think that we have struggled so hard with the tangible that we have forgotten the intangible.
Therefore search and see if there is not some place where you may invest your humanity.
If there is one thing worse than being an ugly duckling in a house of swans, it's having the swans pretend there's no difference.
The best thing to give to your enemy is forgiveness; to an opponent, tolerance; to a friend, your heart; to your child, a good example; to a father, deference; to your mother, conduct that will make her proud of you; to yourself, respect; to all men, charity.