The difference between good and great is the extra effort.

The ocean doesn't belong to any one nation; it's a shared resource that requires global stewardship.

The four most dangerous words in investing are: 'this time it's different.'

We are all prisoners of our own lives, but some are freer than others.

The most important tool in survival is not a knife or a fire starter. It’s your will to live.

我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。