一句话，先是太胆小，明知错的事却不敢不做；后来也还是太胆小，明知对的事却不敢去做。

The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.

Sustainability isn't just a buzzword; it's our responsibility to future generations.

你们是被惯性所引导，还是追随自己内心的热情？

你无法预测，但你可以准备。