领导力意味着今天做出艰难的决定，为未来的几代人带来好处。
Leadership means making tough decisions today that will benefit generations tomorrow.
Simplicity is the ultimate sophistication.
The primary cause of unhappiness is never thesituation but your thoughts about it.
Every small action counts when it comes to protecting our marine ecosystems.
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
我们必须在能源需求和环境保护之间取得平衡。
你给予的越多，你得到的就越多。
历史不是过去。它是现在。我们带着我们的历史。我们就是我们的历史。