历史学家既是侦探，也是讲故事的人。

We need to be vigilant about the security of the Internet.

Leadership is about making tough decisions today that will benefit generations tomorrow.

渔业的未来在于平衡经济增长与生态责任。

Sometimes the most profound discoveries come from asking the simplest questions.

真相对任何人都没有真正的价值——它是数学家和哲学家追求的象征。在人际关系中，善意和谎言胜过千言万语的真实。