"That is, a system starts with a group of interrelated propositions which involve reference to empirical observations within the logical framework of the propositions in question"

"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"

"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?"

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

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

"Don't tell your friends about your indigestion. "How are you" is a greeting, not a question"

"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"

"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?"