The truth is rarely pure and never simple.

领导力是关于用远见和诚信做出艰难决定。

I think scars are like battle wounds - beautiful in a way. They show what you've been through and how strong you are for coming out of it.

复杂性理论告诉我们，并非所有问题都是平等的；有些问题本质上比其他问题更难。

技术可以彻底改变矿业，但前提是我们有勇气接受它。