هرگز حاضر نیستم به خاطر عقایدم بمیرم ، چرا که ممکن است عقایدم اشتباه باشند .

“The bulk of the population of every country is persuaded that all marriage cust…”

“We need a morality based upon love of life, upon pleasure in growth and positiv…”

“Mathematics, rightly viewed, possesses not only truth, but supreme beauty—a bea…”

“Patriotism is the willingness to kill and be killed for trivial reasons”