Do not let your fire go out.

The only proper functions of a government are: the police, to protect you from criminals; the army, to protect you from foreign invaders; and the courts, to protect your property and contracts from breach or fraud by others, and to settle disputes by rational rules, according to objective law.

I loathe your ideals because I know no worse injustice than the giving of the undeserved.

Live and act within the limit of your knowledge and keep expanding it to the limit of your life.

One method of destroying a concept is by diluting its meaning. Observe that by ascribing rights to the unborn, i.e., the nonliving, the anti-abortionists obliterate the rights of the living.

That an error made on your own is safer than ten truths accepted on faith, because the first leaves you the means to correct it but the second destroys your capacity to distinguish truth from error.

The men who are not interested in philosophy need it most urgently: they are most helplessly in its power. The men who are not interested in philosophy absorb its principles from the cultural atmosphere around them-from schools, colleges, books, magazines, newspapers, movies, television, etc. Who sets the tone of a culture? A small handful of men: the philosophers. Others follow their lead, either by conviction or by default.