The light constantly changes, and that alters the atmosphere and beauty of things every minute.

学习就像种树，春天赏花，秋天收获果实；讨论文章如同春天的花，修养身心、付诸实践才是秋天的果实。

The beauty of mathematics is that it is a language that can describe the universe in a way that nothing else can.

我们要敢于梦想，敢于实践，敢于失败，敢于成功。