The man who has no inner life is the slave to his surroundings.
没有内心生活的人是他周围环境的奴隶。
A Christian is a perfectly free lord of all, subject to none. A Christian is a perfectly dutiful servant of all, subject to all.
学习数学的唯一方法就是做数学。
人体是与政治和社会问题互动的最直接方式。
怀疑是智慧的开始。