写作是一种乐观的行为。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.
只有到了气候寒冷的时候,才能了解松柏傲霜独立的品格。
理论物理学中的知识追求是一场没有终点的旅程,每一个答案都会引出新的问题。
The olive tree teaches us that strength comes from deep roots.