The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.
真正的教师会保护学生免受他个人影响。他激发自我怀疑。他将他们的目光从自己身上引导到激发他的精神上。他不会有门徒。
理性不在于正确，而在于信念与行动的一致性。
数学不是一项观赏性运动；要理解它，必须积极参与其中。
Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses nature leads, or you shall learn nothing.
Acting is a way of living out one's insanity.
没有自由的安全，叫做监狱。