世间之事如同棋局般变化无常，人情则像纸一样淡薄。
Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.
我不必是人类才能拥有人类的感情。
一本好书是一扇通往更广阔世界的魔法之门，那里充满奇迹、欢乐和意义。