Let the madness begin!
Life is not a plot - no line is ever ended
Ninety-nine percent talent... ninety-nine percent discipline... ninety-nine percent work. He must never be satisfied with what he does. It never is as good as it can be done. Always dream and shoot higher than you know you can do. Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.
Source: Interview in Paris Review
Any writer worth his salt writes to please himself. He writes not to communicate with other people, but to communicate more assuredly with himself. It's a self-exploratory operation that is endless. An exorcism of not necessarily his demon, but of his divine discontent.
Source: 1964 interview