天下事,有可为者,有不可为者,知其不可为而为之,愚也。
世间之事,有的可以做,有的不可以做,明知不可为而为之,是愚蠢的行为。
解释:君子不因为天色昏暗而毁弃自己的行为举止。
The challenge of modern physics is not just to understand the universe, but to understand our place within it.
The most important thing is to tell a story that resonates with people.