The design of the Mac wasn't what it looked like although that was part of it. Primarily it was how it worked. To design something really well you have to get it. You have to really grok what it's all about. It takes a passionate commitment to really thoroughly understand something chew it up not just quickly swallow it.
To design is to communicate clearly by whatever means you can control or master.
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When I design and wonder what the point is I think of someone having a bad time in their life. Maybe they are sad and they wake up and put on something I have made and it makes them feel just a bit better. So in that sense fashion is a little help in the life of a person. But only a little.