Remember that rights are moral principles which define and protect a man's freedom of action, but impose no obligations on other men.

A viler evil than to murder a man, is to sell him suicide as an act of virtue.

We are fast approaching the stage of the ultimate inversion: the stage where the government is free to do anything it pleases, while the citizens may act only by permission; which is the stage of the darkest periods of human history, the stage of rule by brute force.

Identify the dominant philosophy of a society and you can predict its future.

Integrity is the ability to stand by an idea.

Neither life nor happiness can be achieved by the pursuit of irrational whims.

Man has a single basic choice: to think or not, and that is the gauge of his virtue. Moral perfection is an unbreached rationality-not the degree of your intelligence, but the full and relentless use of your mind, not the extent of your knowledge, but the acceptance of reason as an absolute.