成功不是幸福的关键，幸福才是成功的关键。
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.
当一盏灯熄灭时，比它从未亮起时要黑暗得多。
The only way to achieve the impossible is to believe it is possible.