世界比你想象的更具可塑性。我们可以把它塑造成更好的样子。
Education is the foundation of sustainable forestry—people protect what they understand.
自由贸易使得资源得以最优配置。
如果你不害怕,你会做什么?
The only way to achieve the impossible is to believe it is possible.
The faster technology evolves, the more we must invest in human wisdom.
数学真理是普遍而永恒的。