Mathematics is the organ with which we comprehend the phenomena of nature.

我不是榜样。我只是一个说唱的人。

Sustainability isn't an option; it's a necessity for the future of our planet.

当学到的知识被遗忘后，剩下的就是教育。

心脏是一个拳头大小的肌肉。继续爱，继续战斗。

There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.