Writers and artists never pay attention to advice given by their elders, quite rightly. The only worthwhile advice is the most general: Keep trying, don't give up, don't be discouraged, don't pay attention to detractors. Everyone knows this.
I am inclined to think that as I grow older I will come to be infatuated with the art of revision, and there may come a time when I will dread giving up a novel at all.
When you give up struggle, there's a kind of love.
I've never given up. I've always kept going. I don't feel that I could afford to give up. That would be the beginning of the end.