一個人越缺乏安全感，他就越可能有極端的偏見。
The less secure a man is, the more likely he is to have extreme prejudice.
2015年：貝索斯致股東信《全世界對失敗最寬容的公司》
Liberty cannot be preserved without a general knowledge among the people.
Life is like a piano. The white keys represent happiness and the black keys show sadness. But as you go through life's journey, remember that the black keys also create music.