“Every person of learning is finally his own teacher; the reason of which is, that principles, being of a distinct quality to circumstances, cannot be impressed upon the memory; their place of mental residence is the understanding, and they are never so lasting as when they begin by conception.”

“Every person of learning is finally his own teacher; the reason of which is, that principles, being of a distinct quality to circumstances, cannot be impressed upon the memory; their place of mental residence is the understanding, and they are never so lasting as when they begin by conception.”

— Thomas Paine