观其交游，则其贤不肖可察也。
观察他交往的是什么人，就能知道他的品行如何。
Schemas are the building blocks of cognition, organizing our knowledge and guiding our understanding.
技术是实现能源生产更清洁、更易获取的重要平衡器。
Music is my therapy, my escape, my passion, my everything.
Diplomacy is the continuation of war by other means.
让人们快乐的最好方法就是让他们笑。
Happiness lies not in what we have, but in what we enjoy.