Forskellen mellen dyr og mennesker er, at dyr ændrer sig efter omgivelserne, mens mennesket ændrer omgivelserne.
Overklassen er nationens fortid; middelklassen er dens fremtid.
Så du tror, at penge er roden til alt ondt. Har du nogensinde spurgt om, hvad der er roden til alle penge?
A desire presupposes the possibility of action to achieve it; action presupposes a goal which is worth achieving.
A government is the most dangerous threat to man's rights: it holds a legal monopoly on the use of physical force against legally disarmed victims.
Achieving life is not the equivalent of avoiding death.
All work is an act of philosophy.
America's abundance was not created by public sacrifices to "the common good," but by the productive genius of free men who pursued their own personal interests and the making of their own private fortunes.
An honest man is one who knows that he can't consume more than he has produced.
Anything may be betrayed, anyone may be forgiven, but not those who lack the courage of their own greatness.
Civilization is the process of setting man free from men.
Competition is a by-product of productive work, not its goal. A creative man is motivated by the desire to achieve, not by the desire to beat others.
Contradictions do not exist. Whenever you think you are facing a contradiction, check your premises. You will find that one of them is wrong.
Don't consider our interests or desires. You have no duty to anyone but yourself.
Don't rely on our knowledge of what's best for your future. We do know, but it can't be best until you know it.
Every major horror of history was committed in the name of an altruistic motive.
Force and mind are opposites; morality ends where a gun begins.
Great men can't be ruled.
Happiness is that state of consciousness which proceeds from the achievement of one's values.
He had a big head and a face so ugly it became almost fascinating.
If any part of your uncertainty, is a conflict between your heart and your mind — follow your mind.
I'm working to improve my methods, and every hour I save is an hour added to my life.
In any compromise between food and poison, it is only death that can win. In any compromise between good and evil, it is only evil that can profit.
Individual rights are the means of subordinationg society to moral law.
Kill reverence and you've killed the hero in man.
Many words have been granted me, and some are wise and some are false, but only three are holy: 'I will it!'
Money is only a tool. It will take you wherever you wish, but it will not replace you as the driver.
No one's happiness but my own is in my power to achieve or to destroy.
One's own independent judgment is the means by which one must choose one's actions, but it is not a moral criterion nor a moral validation; only reference to a demonstrable principle can validate one's choices.
Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.
So you think that money is the root of all evil. Have you ever asked what is the root of all money?
The difference between animals and humans is that animals change themselves for the environment, but humans change the environment for themselves.
The government was set to protect man from criminals, and the Constitution was written to protect man from the government.
The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws.
The quickest way to kill the human spirit is to ask someone to do mediocre work.
The secrets of this earth are not for all men to see, but only for those who will seek them.
The upper classes are... a nation's past; the middle class is its future.
The worst guilt is to accept an unearned guilt.
There are two sides to every issue: one side is right and the other is wrong, but the middle is always evil.
To achieve, you need thought. You have to know what you are doing and that's real power.
To me, there is only one form of human depravity — the man without a purpose.
Upper classes are a nation's past; the middle class is its future.
Wealth is the product of man's capacity to think.
When I die, I hope to go to Heaven, whatever the Hell that is.
When I disagree with a rational man, I let reality be our final arbiter; if I am right, he will learn; if I am wrong, I will; one of us will win, but both will profit.
You must be the kind of man who can get things done. But to get things done, you must love the doing, not the secondary consequences.