He who establishes his argument by noise and command shows that his reason is weak. — Michel de Montaigne. French author, philosopher, and statesman (1533–1592)
Don't discuss yourself, for you are bound to lose; if you belittle yourself, you are believed; if you praise yourself, you are disbelieved.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.