Space is big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.
Worse than any severe mental illness, is the illness of bigotry.
Everything must be made as simple as possible. But not simpler.
A man who dares to waste one hour of time has not discovered the value of life.
Writing my own novels in the ’90s…I never imagined that in ten years, science and rationality would require explanation and defense in a world rocked and ruled by religious fervor.
Natural science does not simply describe and explain nature: it is part of the interplay between us and nature.
Ask the right questions, and nature will open the doors to her secrets.
All real philosophers have been artists in the realm of concepts.
Every cause produces more than one effect.
If you’re afraid – don’t do it, – if you’re doing it – don’t be afraid.