The most important single aspect of software development is to be clear about what you are trying to build.

Mental processes are tools for living, and their worth is in their use.

评判越多，爱得越少。

每一个挑战都是伪装的机遇——只要你有心去寻找。

The most important thing is to enjoy your life—to be happy—it's all that matters.

【讲解】：君子如果不自重，就没有威严，(别人也不会尊重你)，学习的知识就不会扎实。做人重要的是讲求忠诚，守信用。不要同不如自己的人交朋友。如果犯了错误，就不要害怕改正。