I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

Originality is the fine art of remembering what you hear but forgetting where you heard it.

I hate quotations. Tell me what you know.

Irrationally held truths may be more harmful than reasoned errors.

Humor is everywhere, in that there's irony in just about anything a human does.

You can fool too many of the people too much of the time.