Insanely-greatness: Where Does It Come From?

Need some inspiration today? Read Steve Jobs' Standford commencement speech. I have always been facinated by this man and his creations. Macintosh as it is today is pretty much the fruit of this single man.

Where does insanely-greatness come from anyway? According to Jobs, it comes from doing your life's passion day in and day out. What is your passion?