I always try to be positive and enjoy every moment.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
成功是跌倒九次,然后站起来十次。
证明的严谨性将数学与所有其他科学区分开来。
如果你想要真正的和平,就必须从孩子开始。
真相并不总是美丽的,美丽的话语也不一定是真相。
Forests are not just carbon sinks—they are life sources.