"It is only natural that for any statesman at the helm of any government the question of his country's security should be a concern of the utmost importance"

"Questions are never indiscreet, answers sometimes are"

"Question everything. Learn something. Answer nothing"

"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"

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

"Unless we have a well-educated people, we're vulnerable on our national security"

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

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

"Distrust and caution are the parents of security"

"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?"