数学不仅仅是关于数字、方程、计算或算法，而是关于理解。

Time is dead as long as it is being clicked off by little wheels; only when the clock stops does time come to life.

Each of us is the weaver of our own destiny, though sometimes we cannot choose the threads in our hands.

可持续性不是一种趋势，而是我们对后代的责任。

A poet is a nightingale, who sits in darkness and sings to cheer its own solitude with sweet sounds.

The circular economy isn’t just an ideal—it’s the only viable path forward.