勇气是所有美德中最重要的，因为没有勇气，你就无法始终如一地实践其他美德。
Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
孩子不是从更重要的工作中分心的事物，他们本身就是最重要的工作。
摆脱诱惑的唯一方法就是屈服于它。
Investing in technology is investing in the future of dairy.