Thing is, success can only be two measurements: ones experience of ones own success (which can be earth-shattering right down to the pimple sized triumph) or theoretical (looking at the success of others or similarly, your observations on how you think success is achieved).
'The problem is not that we aim too high and fail, but that we aim too low and succeed. ' Unfortunately, most people belong to the category of 'successful mediocrites'.
Take responsibility for everything in your life. Stop making excuses. if you get knocked down, get up. Realize that there is never a perfect time to start. Start now and try really, really hard. DTP