"If the present Congress errs in too much talking, how can it be otherwise in a body to which the people send one hundred and fifty lawyers, whose trade it is to question everything, yield nothing, and talk by the hour?"

"The most erroneous stories are those we think we know best - and therefore never scrutinize or question"

"The power to question is the basis of all human progress"

"The question is not, "Can they reason?" nor, "Can they talk?" but rather, "Can they suffer?""

"We have the power to create a better future for ourselves and for the planet. The question is, what kind of future do we want to create?"

"We have the power to change the world for the better. The question is, do we have the will?"

"Fix reason firmly in her seat, and call to her tribunal every fact, every opinion. Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blindfolded fear"

"Sometimes it is said that man cannot be trusted with the government of himself. Can he, then be trusted with the government of others? Or have we found angels in the form of kings to govern him? Let history answer this question"

"Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blind-folded fear"