在我看来，如果你或我必须在两种思想或行动之间做出选择，我们应该记住我们的死亡，并努力生活，使我们的死亡不会给世界带来任何快乐。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
数学是解开宇宙秘密和理解支配它的基本法则的关键。
I’m not a businessman, I’m a business, man!
Markets alone won't solve all development challenges - we need smart interventions too.
心的沉默是最响亮的呼喊。
The most sustainable product is the one that already exists.
The challenges in our lives are there to strengthen our convictions. They are not there to run us over.
