"Imagine the consequences of the inaction in your life.  Remember that feeling the next time you consider doing nothing when you could act."  I think about the impact of my life quite a lot, but the way you phrased these two sentences really cut to the core.  Thanks for that.  It dovetails with of one of the core tenets of my life, which I'm always trying to work out: To whom much is given, much is required.