在一个不断变化的世界中,适应力是生存和增长的关键。
To enjoy freedom we have to control ourselves.
地球不是一个刚体,而是一个动态系统,其中对流起着基本作用。
The greatest art is that which makes the invisible visible.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.