Leadership means making tough decisions with compassion and clarity.

学习理论中的一个关键见解是，假设类的复杂性对于泛化至关重要。

技术本身没有价值，技术的价值在于它解决了什么问题。

In a way, if you like, at one end of the spectrum of sympathy, you've got the tabloid newspaper. At the other end of the spectrum, you've got tragedy and tragic art. And I suppose I'm arguing that we should learn a little bit about what's happening in tragic art. It would be insane to call Hamlet a loser. He is not a loser, though he has lost. And I think that is the message of tragedy to us, and why it's so very, very important, I think.

Words have the power to heal, to destroy, and to create.

Markets alone won't solve all development challenges - we need smart interventions too.