No man may initiate the use of physical force against others. No man-or group or society or government-has the right to assume the role of a criminal and initiate the use of physical compulsion against any man. Men have the right to use physical force only in retaliation and only against those who initiate its use. The ethical principle involved is simple and clear-cut: it is the difference between murder and self-defense.

When you see corruption being rewarded and honesty becoming a self-sacrifice, you may know that your society is doomed

Have you ever felt the longing for someone you could admire? For something, not to look down at, but up to?

The verdict you pronounce upon the source of your livelihood is the verdict you pronounce upon your life.

Why is it immoral for you to desire, but moral for others to do so? Why is it immoral to produce a value and keep it, but moral to give it away? And if it is not moral for you to keep a value, why is it moral for others to accept it? If you are selfless and virtuous when you give it, are they not selfish and vicious when they take it?

Rights are not a matter of numbers - and there can be no such thing, in law or in morality, as actions forbidden to an individual, but permitted to a mob.

An inventor is a man who asks 'Why?' of the universe and lets nothing stand between the answer and his mind.