The Greatest Rewards Come When You Give Of Yourself. It's About Bettering The Lives Of Others, Being Part Of Something Bigger Than Yourself, And Making A Positive Difference.
I think what gets you through a small writing project, is just one burst of inspiration. A book, especially a longer book, it's a different kind of force that pushes you through it. It's a vision of the whole thing.
Any man who, having planted a vineyard, has not yet reaped the benefits should do so at once, so that he does not die in the struggle and leave it for another to enjoy.