Nothing is so dear as what you're about to leave.

A rattlesnake that doesn't bite teaches you nothing.

A rattlesnake that doesn't bite teaches you nothing.

We want the facts to fit the preconceptions. When they don't it is easier to ignore the facts than to change the preconceptions.

We can love an honest rogue, but what is more offensive than a false saint?

Teaching is the royal road to learning.