“..there was nothing to do but to dig away at the base of this mountain of ignorance and prejudice. You must keep at the poor fellow; you must hold your temper, and argue with him, and watch for your chance to stick an idea or two into his head. And the rest of the time you must sharpen up your weapons- you must think out new replies to his objections and provide yourself with new facts to prove to him the folly of his ways.”