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.
The best way to predict the future is to create it.
How wonderful that we have met with a paradox. Now we have some hope of making progress.
幸福的幸里面是一个“幸”,不是一个“辛”。  或者理解成,Y=Why=为什么,I=我。幸福里面没有为什么,只有我。 
Life is too short to be anything but happy.