Life lessons will be presented to you in the order they are needed. Everything you need to master the lesson is within you. Once you have truly learned a lesson， you will be presented with the next one. If you are alive， that means you still have lessons to learn.
【解释】鱼是我所想要的，熊掌也是我所想要的，如果这两种东西不能同时得到，那么我就只好放弃鱼而选取熊掌了。
数学不仅仅是关于数字和方程；它是关于理解宇宙中一切事物的模式和结构。
Fisheries should not only pursue economic benefits but also focus on ecological and social benefits.