I never buy anything unless I can give a good reason why I think it will go up.
Never stop learning—the moment you think you know everything is the moment you fall behind.
The ocean doesn’t belong to us; we belong to the ocean. Our responsibility is to nurture it.
Persistence and patience will always yield results.
最优秀的科学家是那些在自然的复杂性面前保持谦逊的人。
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.