Lest we forget, the birth of modern physics and cosmology was achieved by Galileo, Kepler and Newton breaking free not from the close confining prison of faith (all three were believing Christians, of one sort or another) but from the enormous burden of the millennial authority of Aristotelian science. The scientific revolution of the sixteenth and seventeenth centuries was not a revival of Hellenistic science but its final defeat.

The dramatic importance of climate changes to the world’s future has been dangerously underestimated by many, often because we have been lulled by modern technology into thinking we have conquered nature. This well-written book points out in clear language that the climatic threat could be as awesome as any we might face, and that massive world-wide actions to hedge against that threat deserve immediate consideration.

My expertise is the space program and what it should be in the future based on my experience of looking at the transitions that we've made between pre-Sputnik days and getting to the moon.

A review of seventy-four clinical trials of antidepressants, for example, found that thirty-seven of thirty-eight positive studies [that praised the drugs] were published. But of the thirty-six negative studies, thirty-three were either not published or published in a form that conveyed a positive outcome.

Science fiction writers aren't fortune tellers. Fortune tellers are fakes.

Our only chance of long-term survival is not to remain lurking on planet Earth, but to spread out into space.