不要去跟随已经有的道路,去探索没有被开拓的新道路,留下自己的足迹。
The best time to plant a tree was 20 years ago. The second best time is now.
The boundary between inside and outside is not a line, but a gradient.
善意并不是自己内心发出的,不能保留;行为自身不能够理解和辨别的,不能去做。
追求数学知识是一段永无止境的旅程。
You have to be able to adapt to changing market conditions. If you can't adapt, you won't survive.