即使在抽象中,数学也具有深远的现实应用。
Even in abstraction, mathematics has profound real-world applications.
我们从这样的假设开始:任何学科都可以以某种智力上诚实的形式有效地教给处于任何发展阶段的任何孩子。
The best way to learn a new programming language is by writing programs in it.
花开时可以折取就要及时折取,不要等到花谢了只能折取空枝。
Don‘t cry because it is over, smile because it happened。