永远不要停止学习，因为世界永远不会停止变化。
一个不写作的作家是招致疯狂的怪物。
The world is a great sky, and we are the birds.
The world is a book, and those who do not travel read only one page.
谦逊是科学家所能拥有的最大美德。
The desire for recognition, the thymotic part of the soul, is what drives human history.
The world is a book, and those who do not travel read only one page.