A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.

Social progress requires the organic combination of individual freedom and social responsibility.

我从未能写出一部快乐的戏剧。我不能。我可以写一部有趣的戏剧，但不是一部快乐的戏剧。

智能化不是替代人，而是让人从繁重劳动中解放出来。