The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.

人的本性是不断生长的生理，每天都在生成变化。

The most important principle of positive psychology is that other people matter.

在沙漠的寂静中，你可以听到地球的心跳。

穷人往往缺乏做出正确选择所需的信息，而即使他们拥有这些信息，也常常不信任它。

My expectations were reduced to zero when I was 21. Everything since then has been a bonus.

技术领先是石油化工企业的立身之本，要持续加大研发投入。

做好事如同背负重物而登山，志向虽已确立，但总是担心力不从心；干坏事如同骑马下山，虽然未加鞭，但却欲驻足而难以自禁。

"我不是一个女人，我是一个词。"