Will none wipe the sneer off the face of the cosmos?

In my considered opinion, the profit to be made by permanent settlement in space is nothing less than the survival of industrial civilization, and therefore the survival of nearly the entire human race, along with such amenities as peace, freedom, enough to eat, and the chance to reach a high age in good health.

Give fear no hold on you. Keep sinews loose and senses open, ready at every instant to flow with the rush of action.

I have yet to see any problem, however complicated, which, when you looked at it in the right way, did not become still more complicated.

Machines can only find what ignorant men have programmed them to find.

The single definition of government I've ever seen that makes sense is that it's the organization which claims the right to kill people who won't do what it wants.

If we knew exactly what to expect throughout the Solar System, we would have no reason to explore it.