Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

Small changes can have big effects when they help people break out of the poverty trap.

Innovation is not just about technology; it's about changing the way we think and operate.

The only thing that can make you a hero is your heart.

最重要的是不要害怕承担责任。

改变始于倾听，然后与那些你认为在做错误事情的人展开对话。

纯粹自然状态的条件...是每个人对每个人的战争状态。