Who said “It is error only, and not truth, that shrinks from inquiry.”?

“Questioning is not the mode of conversation among gentlemen.”

“For every why he had a wherefore.”

“Why ask why? If it's raining it just is.”

“A prudent question is one-half of wisdom.”

“Every clarification breeds new questions.”

“When men yield up the privilege of thinking, the last shadow of liberty quits the horizon.”

“The final event to himself has been, that as he rose like a rocket, he fell like the stick.”

“A thing, moderately good, is not so good as it ought to be. Moderation in temper, is always a virtue; but moderation in principle, is a species of vice.”

“He that would make his own liberty secure must guard even his enemy from oppression; for if he violates this duty he establishes a precedent that will reach to himself.”

“My own mind is my own church.”

“Human nature is not of itself vicious.”