That's been one of my mantras - focus and simplicity. Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple. 

Steven Paul Jobs (1955 CE-2011 CE), Steven Paul Jobs was an American entrepreneur, industrial designer, business magnate, media proprietor, and investor. He was the co-founder, chairman, and CEO of Apple; He is widely recognized as a pioneer of the personal computer revolution of the 1970s and 1980s, along with his early business partner and fellow Apple co-founder Steve Wozniak.