"The question of who is right and who is wrong has seemed to me always too small to be worth a moment's thought, while the question of what is right and what is wrong has seemed all-important"

"Question everything. Learn something. Answer nothing"

"Questions are never indiscreet, answers sometimes are"

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

"Do not waste your time on Social Questions. What is the matter with the poor is Poverty; what is the matter with the rich is Uselessness"

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

"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?"

"We worked very hard to make the lyrics suit the music. I can't, like Elton John, for example, compose by lyrics. Elton has a great talent for that. Whatever you give him, including your questions, he composes in half an hour and makes a great song out of it"

"Who questions much, shall learn much, and retain much"

"The only interesting answers are those that destroy the questions"

"Growing up human is uniquely a matter of social relations rather than biology. What we learn from connections within the family takes the place of instincts that program the behavior of animals; which raises the question, how good are these connections?"