I only know that I know nothing

Ideas are the source of all things

Muscle is good, but craft is bette

My intellect was my greatest vanity.

He's one fry short of a Happy Meal.

Adventure is not outside man; it is within.

Where instinct fails, intellect must venture.

Intellect is invisible to the man who has none.

Virginity comes standard. A good head is earned.

Google' is not a synonym for 'research'.

Wit had conquered science by laughing it out of court.

I am a brain, Watson. The rest of me is a mere appendix.

Intelligence is a way of thinking, not a choice of words.

Wonder, as a quality of intellect, has fallen from favor.

Many grow old with ages, but some attains age with wisdom.