Theories are not so much wrong as incomplete

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.

Science is a mechanism, a way of trying to improve your knowledge of nature. It's a system for testing your thoughts against the universe, and seeing whether they match.

If my doctor told me I had only six minutes to live, I wouldn't brood. I'd type a little faster.

Science doesn't purvey absolute truth. Science is a mechanism... for testing your thoughts against the universe.

The significant chemicals of living tissue are rickety and unstable, which is exactly what is needed for life.

Having reached 451 books as of now doesn't help the situation. If I were to be dying now, I would be murmuring, "Too bad! Only four hundred fifty-one." (Those would be my next-to-last words. The last ones will be: "I love you, Janet.") [They were. -Janet.]