历史不会长期将自由的维护托付给软弱或胆怯的人。
There is no better teacher than history in determining the future……There are answers worth billions of dollars in a history book.
The most profound discoveries often come from the simplest observations.
科学家最重要的品质是好奇心——理解事物如何运作的欲望。
Spend as much time crafting the subject line of an email as the message itself because the subject line is often the only thing people read.