A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
Design is a plan for arranging elements in such a way as best to accomplish a particular purpose.
The curious task of economics is to demonstrate to men how little they really know about what they imagine they can design.
Space and light and order. Those are the things that men need just as much as they need bread or a place to sleep.
I did not direct my life. I didn't design it. I never made decisions. Things always came up and made them for me. That's what life is.
Everyone wants an iPhone, but it would be impossible to design an iPhone in China because it's not a product; it's an understanding of human nature.