写作的行为是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
The world is a mirror, and it shows you what you bring to it.
The true challenge in mathematics is not solving problems, but asking the right questions.
The decay of political institutions is often a result of the inability to adapt to changing circumstances, leading to rigidity and eventual decline.
风险管理不是回避挑战，而是明智地应对它们。
The development of learning algorithms that can handle high-dimensional data is a major challenge in the field.