"Music is more emotional than prose, more revolutionary than poetry. I'm not saying I've got the answers, just a of questions that I don't hear other artists asking"

"Music is my religion"

"Questions are never indiscreet, answers sometimes are"

"Question everything. Learn something. Answer nothing"

"Youth is not a question of years: one is young or old from birth"

"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"

"If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away"

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

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

"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?"