The human race will be the cancer of the planet.

It is easier to believe that there was nothing before there was something than that there was something before there was nothing.

Evolution... is the most powerful and the most comprehensive idea that has ever arisen on Earth.

By speech first, but far more by writing, man has been able to put something of himself beyond death. In tradition and in books an integral part of the individual persists, for it can influence the minds and actions of other people in different places and at different times: a row of black marks on a page can move a man to tears, though the bones of him that wrote it are long ago crumbled to dust.

Today the god hypothesis has ceased to be scientifically tenable, has lost its explanatory value and is becoming an intellectual and moral burden to our thought. It no longer convinces or comforts, and its abandonment often brings a deep sense of relief.

Some day no one will have to work more than two days a week... The human being can consume so much and no more. When we reach the point when the world produces all the goods that it needs in two days, as it inevitably will, we must curtail our production of goods and turn our attention to the great problem of what to do with our new leisure.

As political and economic freedom diminishes, sexual freedom tends to compensatingly increase and the dictator... will do well to encourage that freedom in conjunction with the freedom to daydream under the influence of dope, movies, and radio. It will help to reconcile his subjects to the servitude which is their fate.