The greatness of literature cannot be determined solely by literary standards though we must remember that whether it is literature or not can be determined only by literary standards.
With no other privilege than that of sympathy and sincere good wishes, I would address an affectionate exhortation to the youthful literati, grounded on my own experience. It will be but short; for the beginning, middle, and end converge to one charge: NEVER PURSUE LITERATURE AS A TRADE.