the writer can only deal with what corresponds to some secret spring in his own nature, though the whole world is material.

the mine is incalculably rich, but each one of us can get from it only a definite a mount of ore(광석)

the writer is free to work in whatever place and at whatever time he chooses; he is free to idle if he feels ill or dispirited.

Thus, in the midst of plenty the writer may starve to death

His work fails him and we say that he has written himself out. i think there are few writers who are haunted by fear of this