I have 800 books of just Samuel Beckett's work, tons of his correspondence, personal letters that he wrote. I have copies of plays he used when he directed, so all of his handwritten notes are in the corners of the page.
If people have to tell you how successful they are, they really aren't that successful.
Good acting is all in the writing. If it isn't on the page, then it really won't make any difference. You cannot act on force of personality alone.