The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.

The highest virtue is to lead others to the understanding of truth.

Without imperfection, you or I would not exist.

Collaboration across sectors is the key to solving the world's most pressing environmental challenges.

Nobody understands when a woman makes a choice to marry and have children, in one way her life begins, but in another way, it stops. You build a life of details, and you just stop and stay steady, so that your children can move.

The gift of language is the single human trait that marks us all genetically, setting us apart from the rest of life.

政治学的大问题，是找到一种将法律置于人之上的政治形式，这个问题之难，可以与几何学中将圆变方的问题相媲美。

对于你所拥有的，要心存感激，这样你就会拥有更多。对于你所没有的，如果不停强调，你永远都不会满足。

Every truth goes through three stages: first, it is ridiculed; second, it is violently opposed; third, it is accepted as self-evident.