创建和维持大型复杂组织的能力是区分成功社会与不成功社会的关键因素之一。
数学证明的美在于它的简洁性和必然性。
The quantum world appears to us as a web of relations rather than a collection of objects.
In every story, there is a piece of the writer's soul.
解释:不注意天时,财富就不能增长;不注意地利,粮食就不会充足。