爱是在他人的存在中找到意义。
To love is to find meaning in another's existence.
严厉的家庭没有凶悍的奴仆，而慈爱的母亲却会有败家的儿子。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
"I am not interested in the surface of things, but in what lies beneath."
最勇敢的行为仍然是为自己思考，而且是大声说出来。
Science is the knowledge of consequences, and dependence of one fact upon another.