One of the best mentors I had in business - and one whom I regrettably spent the least amount of time with - gave me three lessons about business life:

• Make some money
• Have some fun
• Leave some tracks

— Leaving Tracks by Lazarus Dodge

I've heard the quote from Steve Jobs mentioned lots of times about putting a dent in the universe, but there's something about the last bullet point in this list, that seems not as grand a task as Steve Jobs advice and therefore more achievable.