The time has come, or is about to come, when only large-scale civil disobedience, which should be nonviolent, can save the populations from the universal death which their governments are preparing for them.

Dogma demands authority, rather than intelligent thought, as the source of opinion; it requires persecution of heretics and hostility to unbelievers; it asks of its disciples that they should inhibit natural kindliness in favor of systematic hatred.

An extra-terrestrial philosopher, who had watched a single youth up to the age of twenty-one and had never come across any other human being, might conclude that it is the nature of human beings to grow continually taller and wiser in an indefinite progress towards perfection; and this generalization would be just as well founded as the generalization which evolutionists base upon the previous history of this planet.

The three main extra-rational activities in modern life are religion, war, and love. all these are extra-rational, but love is not anti-rational, that is to say, a reasonable man may reasonably rejoice in its existence

To understand a name you must be acquainted with the particular of which it is a name.

Fervent religious believers sacrifice pleasures of the body, but instead enjoy pleasures of the mind, including the joy of knowing that those men who didn't follow their religion would be tortured for eternity.

Ideas and principles that do harm are as a rule, though not always, cloaks for evil passions.