When you do not know what you are doing, do it neatly.

One's mind, stretched to a new idea, never goes back to its original dimension.

If you put garbage in a computer nothing comes out but garbage. Butthis garbage, having passed through a very expensive machine, issomehow ennobled and none dare criticize it.

The world is a fantasy, so let's find out about it. ― Astrophysicist Dennis Sciama, to Timothy Ferris (quoted in Ferris's book, "The Mind's Sky")

The attacker must vanquish; the defender need only survive.