It is error only, and not truth, that shrinks from inquiry

Where knowledge is a duty, ignorance is a crime.

He who dares not offend cannot be honest.

Eloquence may strike the ear, but the language of poverty strikes the heart; the first may charm like music, but the second alarms like a knell.

A man who is so exceedingly civil that for the sake of quietude and a peaceable name will silently see the community imposed upon, or their rights invaded, may, in his principles, be a good man, but cannot be stiled a useful one, neither …

This sacrifice of common sense is the certain badge which distinguishes slavery from freedom; for when men yield up the privilege of thinking, the last shadow of liberty quits the horizon.

War involves in its progress such a train of unforeseen and unsupposed circumstances ... that no human wisdom can calculate the end.