Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.

There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death.

The law of conservation of energy tells us we can't get something for nothing, but we refuse to believe it.

All normal life, Peter, consciously or otherwise, resent domination. If the domination is by an inferior, or by a supposed inferior, the resentment becomes stronger.

You don't have to be able to lay eggs to know when one of them is rotten.

An atom-blaster is a good weapon, but it can point both ways.

There are so many benefits to be derived from space exploration and exploitation; why not take what seems to me the only chance of escaping what is otherwise the sure destruction of all that humanity has struggled to achieve for 50,000 years?