The best designs come from understanding the needs of the people who will use them.

A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.

What can be said at all can be said clearly, and what we cannot talk about we must pass over in silence.

The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.

生活是为了活着，我们都知道。