Mathematics is the foundation upon which all sciences are built.
我喜欢去工作。这不是一件苦差事，而是一种乐趣。
Nothing’s lost forever. In this world, there’s a kind of painful progress. Longing for what we’ve left behind, and dreaming ahead.
忠诚就是一切。没有它，你一无所有。
Every challenge is an opportunity in disguise.