I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.

知识最大的敌人不是无知，而是知识的幻觉。

地理学是关于地方的科学，而不是关于人的科学。

最好的建筑来自于作用于它的所有力量的综合。