你能给予他人的最伟大的礼物就是你的时间，因为你正在给予他们你生命中永远不会再回来的一部分。

Problems frequently get easier if you turn them around in reverse. In other words, if you want to help India, the question you should ask is not “how can I help India,” it’s “what is doing the worst damage in India? What will automatically do the worst damage and how do I avoid it?”

Never underestimate the power of a well-designed experiment.

The challenge is to make buildings that are both functional and poetic.