If you've got the truth you can demonstrate it. Talking doesn't prove it.

The future is better than the past. Despite the crepe hangers, romanticists, and anti-intellectuals, the world steadily grows better because the human mind, applying itself to environment, makes it better. With hands ... with tools ... with horse sense and science and engineering.

What a wonderful world it is that has girls in it!

Talking with a Martian is like talking with an echo. You don't get argument but you don't get results.

Get a shot off fast. This upsets him long enough to let you make your second shot perfect.

The killer looked up as the bullet hit him. He looked as if he were puzzled by some strange occurence, being too freshly dead to be aware of it.

A monarch's neck should always have a noose around it. It keeps him upright.