优化是在给定约束条件下做出最佳选择的艺术。
A novel is a long answer to a question you can’t quite formulate.
When each day is the same as the next, it's because people fail to recognize the good things that happen in their lives every day that the sun rises.
The beauty of theoretical physics lies in its ability to describe the universe with a few simple equations, revealing the underlying simplicity beneath the apparent complexity.