The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.
抽象的力量在于它允许我们在更高的层次上推理系统，而不会被细节所困扰。
人生并没有你想象的那么长。
You control your future, your destiny. What you think about comes about. By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.
第一个错误的假设是质量意味着好、奢华、闪亮或重量。质量意味着符合要求。
在这种爱情中，最糟糕的，就是让你变得不浪漫的那种。
Coal enterprises must actively adapt to energy structure adjustments and accelerate transformation and upgrading.
To be brave is to love someone unconditionally, without expecting anything in return.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。