曲意逢迎取得上司喜悦，男子汉不屑于小妾邀宠的勾当；人的本源本性尚未谙通，大丈夫仍保持纯真朴拙的心田。

我相信第二次机会。

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

数学之美不仅在于其抽象的优雅，还在于其建模和解决现实世界问题的深刻能力。