自然实验可以为经济问题提供有价值的见解。

Light is the most important material in architecture.

提高的唯一方法就是挑战最好的对手。

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

Find more pleasure in intelligent dissent than in passive agreement, for, if you value intelligence as you should, the former implies a deeper agreement than the latter.

我只和自己竞争。当你与别人竞争时，反而限制了自己。

可持续性不是一种选择；它是负责任农业的唯一前进道路。

Love is the most powerful force in the world.

Men marry because they are tired, women because they are curious; both are disappointed.

Stay true to yourself and never let anyone dull your sparkle.

我们必须像投资技术一样投资于人；两者对进步都至关重要。