Innovation is not just about creating something new; it's about improving what already exists.

我的科学研究给我带来了极大的满足；我深信，用不了多久，全世界都会承认我的工作成果。

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.