一本好书是一次伟大的冒险。
人生好比是一次航程。
唯一能让你成功的是努力工作。
女孩和女人的生活经常被低估和忽视。
The essence of mathematics lies in its freedom.
The young do not know enough to be prudent, and therefore they attempt the impossible – and achieve it, generation after generation.