Success is a mindset.

Sustainability isn't an option; it's a responsibility we owe to future generations.

Quality is never an accident; it is always the result of intelligent effort.

如果人们不相信数学是简单的，那只是因为他们没有意识到生活有多么复杂。

我写作是为了记住，为了不忘记。

当事人应置身于利害之外，提出倡议的人则应设身于利害之中，才能知道利害得失。