【译文】 孔子说：“我十五岁立志于学习，三十岁有所建树，四十岁不困惑，五十理解自然规律，六十明辨是非，七十随心所欲，不违规。”
In the end, we only regret the chances we didn't take.
理论物理学不仅仅是解方程，它关乎理解现实的本质。
The true end of satire is the amendment of vices by correction.
The only way to achieve the impossible is to believe it is possible.
细节不是细节。它们成就了设计。