南开校训，意为培养公正与能力兼备的人才，追求不断创新。

Sustainability isn't just a buzzword—it's the foundation of responsible forestry.

Innovation happens when you're willing to challenge the status quo and take calculated risks.

The physicality of the material is its meaning.

The arithmetic of L-functions is a key to unlocking the secrets of number theory.

Sometimes, the hardest thing and the right thing are the same.