预测森林未来的最佳方式是通过负责任的管理来塑造它。
在暴君有权杀死一个国家的权利被证明之前，一个国家在必要时杀死暴君的权利永远不会被怀疑。
The best way to learn mathematics is to do mathematics.
我真的不考虑年龄。我认为人的年龄取决于他们的感受和行为。
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
We must think beyond today’s technology to meet tomorrow’s energy demands.
你无法让聪明的人只为了钱而特别努力地工作。
The Nobel Prize is not the end of the journey; it's a new beginning.