反馈是一个强大的概念，在自然系统和技术系统中被广泛使用。

In dreams, you don't need to make any distinctions between things. Not at all. Boundaries don't exist. So in dreams there are hardly ever collisions.

There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.

最好的想法来自于对现状的不满。

幸福需要快乐和目标两者兼具——仅靠其中一项是不够的。

对认可的渴望，灵魂中的激情部分，是人性中最基本的部分。

细节不是细节。它们成就了设计。