"Above all things we should avoid often talking of ourselves and giving ourselves as an example; nothing is more tiresome than a man who quotes himself for ever

"Above all things we should avoid often talking of ourselves and giving ourselves as an example; nothing is more tiresome than a man who quotes himself for everything." is the quote I reach for from https://www.gutenberg.org/files/9105/9105-h/9105-h.htm https://www.gutenberg.org/files/9105/9105-h/9105-h.htm