I eventually realized that direct experience is the most valuable experience I can have. Western man is so surrounded by ideas, so bombarded with opinions, concepts, and information structures of all sorts, that it becomes difficult to experience anything without the intervening filter of these structures. And the natural world — our traditional source of direct insights — is rapidly disappearing. –Michael Crichton
… on paper, moving quickly, and communicating concepts. To sketch well, we need to use some content. Words are essential for helping users accomplish their tasks, and by thinking about them while you sketch, you’ll uncover problems early and be able to move faster later.