Criticism alone can sever the root of materialism, fatalism, atheism, free-thinking, fanaticism, and superstition, which can be injurious universally; as well as of idealism and skepticism, which are dangerous chiefly to the Schools, and hardly allow of being handed on to the public.

The desire which a man has for a woman is not directed towards her because she is a human being, but because she is a woman ; that she is a human being is of no concern to the man; only her sex is the object of his desires.

Among all nations, through the darkest polytheism glimmer some faint sparks of monotheism.

There is something splendid about innocence; but what is bad about it, in turn, is that it cannot protect itself very well and is easily seduced.

He who has made great moral progress ceases to pray

Act so that the maxim of your act could be made the principle of a universal law.

The question is not so much whether there is life on Mars as whether it will continue to be possible to live on Earth