做出伟大工作的唯一途径就是热爱你所做的事。
人は誰でも、自分が一番大切な存在だと思っている。
除非你先是一个读者,否则你不可能成为一个作家。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.