The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
可持续性不仅仅是一种趋势，而是我们星球生存的必要条件。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
我能给的最好建议是保持谦逊并努力工作。
A writer is someone who pays attention to the world.
The highest manifestation of life consists in this: that a being governs its own actions.A thing which is always subject to the direction of another is somewhat of a dead thing.