For an author to write as he speaks is just as reprehensible as the opposite fault, to speak as he writes; for this gives a pedantic effect to what he says, and at the same time makes him hardly intelligible.
The historical sense compels a man to write not merely with his own generation in his bones, but with a feeling that the whole of literature from Homer and within it the whole of the literature of his own country has a simultaneous existence and composes a simultaneous order.
You have the greatest soul, the noblest nature, the sweetest, most loving heart I have ever known, and my love, my reverence, my admiration for you, you have increased in one evening as I should have thought only a lifetime of intimate, loving association could have increased them. You are more wonderful and lovely in my eyes than you ever were before; and my pride and joy and gratitude that you should love me with such a perfect love are beyond all expression, except in some great poem which I cannot write.
That is the true genius of America, a faith in the simple dreams of its people, the insistence on small miracles. That we can say what we think, write what we think, without hearing a sudden knock on the door.
There are events which are so great that if a writer has participated in them his obligation is to write truly rather than assume the presumption of altering them with invention.
When I had finished the book I knew that no matter what Scott did, nor how he behaved, I must know it was like a sickness and be of any help I could to him and try to be a good friend. He had many good, good friends, more than anyone I knew. But I enlisted as one more, whether I could be of any use to him or not. If he could write a book as fine as The Great Gatsby I was sure that he could write an even better one. I did not know Zelda yet, and so I did not know the terrible odds that were against him. But we were to find them out soon enough.
Avoid the unhappy ending, the harsh, the brutal, the tragic, the horrible -- if you care to see in print things you write. (In this connection don't do as I do, but do as I say.