To solve a big question, you first have to focus on the user you're solving it for—then everything else will follow. You can't just understand your users' needs—you need to actually relate to them.

Being able to describe an idea in less than six words helps you clarify it.

Any product that needs a manual to work is broken.

I don’t believe in process. In fact, when I interview a potential employee and he or she says that ‘it’s all about the process,’ I see that as a bad sign. The problem is that at a lot of big companies, process becomes a substitute for thinking. You’re encouraged to behave like a little gear in a complex machine. Frankly, it allows you to keep people who aren’t that smart, who aren’t that creative.