真正的数学家始终是学生,永远在学习。
Assume life will be really tough, and then ask if you can handle it.If the answer is yes, you've won.
海洋不仅是一种资源;它是我们必须为子孙后代承担的责任。
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。
The most important skill for a programmer is the ability to think clearly and logically.