最深刻的真理往往是我们回避的那些。
The most profound truths are often the ones we avoid.
Education is the foundation of conservation—people protect what they understand.
In mathematics, the journey is just as important as the destination; the process of discovery is where the real learning happens.
黄金法则：想要别人怎么对待你，你就要怎么对待别人
南开校训，意为培养公正与能力兼备的人才，追求不断创新。