I never considered myself a patriot. I like to think I recognize only humanity as my nation.

The Earth should not be cut up into hundreds of different sections, each inhabited by a self-defined segment of humanity that considers its own welfare and its own "national security" to be paramount above all other consideration.

To succeed, planning alone is insufficient. One must improvise as well.

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

... you just can't differentiate between a robot and the very best of humans.

Since emotions are few and reasons are many (said the robot Giscard) the behavior of a crowd can be more easily predicted than the behavior of one person.

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