We are at a point in history where a proper attention to space, and especially near space, may be absolutely crucial in bringing the world together.

Between friends there is no bribery. ... the relationship of friends is intrinsically fair and equal. Neither feels stronger or more clever or more beautiful than the other.

It is not until science has become a discipline to which the research ability of any mind from any class in society can be attracted that it can become rigorously scientific.

Don't depend on governments or corporations to fix problems. Social revolutions are led by passionate individuals and that's what makes the difference.

In almost any society I think, the quality of the nonconformists is likely to be just as good as and no better than that of the conformists.

Dancing is the only activity in which almost all ages and both sexes participate.

For the human species to evolve, the conversation must deepen.