We are prodding, challenging, seeking contradictions or small, persistent residual errors, proposing alternative explanations, encouraging heresy. We give our highest rewards to those who convincingly disprove established beliefs.

Books permit us to voyage through time, to tap the wisdom of our ancestors.

Science is more than a body of knowledge. It's a way of thinking: a way of skeptically interrogating the universe.

There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.

[S]cience has itself become a kind of religion.

Our children long for realistic maps of the future that they can be proud of. Where are the cartographers of human purpose?

Organic as a dandelion seed, [the ship of our imagination] will carry us to worlds of dreams and worlds of facts