"For what is there in the world, that is not obnoxious to the change of time, and the violence of men?"

"For it is not the bare receiving of a man's message, that makes him an ambassador, but the accepting of his person."

"Hell is truth seen too late."

"Fear of power invisible, feigned by the mind, or imagined from tales publicly allowed, is religion; not allowed, superstition."

"Science is the knowledge of consequences, and dependence of one fact upon another."