The best thing about space travel is that it made it possible to go elsewhere.

Correct morality can only be derived from what man is — not from what do-gooders and well-meaning aunt Nellies would like him to be.

To permit irresponsible authority is to sell disaster.

It seems to me that any law that is not enforced and can't be enforced weakens all other laws.

...I am opposed to all attempts to license or restrict the arming of individuals... I consider such laws a violation of civil liberty, subversive of democratic political institutions, and self-defeating in their purpose.

Mighty little force is needed to control a man whose mind has been hoodwinked; contrariwise, no amount of force can control a free man, a man whose mind is free. No, not the rack, not fission bombs, not anything - you can't conquer a free man; the most you can do is kill him.

Most 'scientists' are bottle washers and button sorters.