All the hundreds of millions of people who, in their time, believed the Earth was flat never succeeded in unrounding it by an inch.

All of a sudden, space isn't friendly. All of a sudden, it's a place where people can die. . . . Many more people are going to die. But we can't explore space if the requirement is that there be no casualties; we can't do anything if the requirement is that there be no casualties.

To insult someone we call him 'bestial. For deliberate cruelty and nature, 'human' might be the greater insult.

The peace and joy of the Christmas season was marred by a proclamation of a general strike of all the military forces of the world. Panic reigns in the hearts of all the patriots of every persuasion. Meanwhile, fears of universal disaster sank to an all-time low over the world.

We are all victimized by the natural perversity of inanimate objects...and the assorted human beings who perpetuate and maintain this perversity.

A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.

Humanists recognize that it is only when people feel free to think for themselves, using reason as their guide, that they are best capable of developing values that succeed in satisfying human needs and serving human interests.