Every mental act has its place in the economy of life.
每一个心理行为都在生活的经济中有其位置。
To solve a mathematical problem is to uncover a piece of the universal puzzle.
顾客忠诚是赢得的，不是买来的。
书籍是桥梁——连接人与人、地方与地方、时代与时代。
For lovely eyes, seek out the good in people.
科学是关于在看似无关的现象之间建立联系。