Who said “Above all things, never think that you're not good enough yourself. A man should never…”?

“First we have to believe, and then we believe.”

“In order to succeed, we must first believe that we can.”

“We are born believing. A man bears beliefs as a tree bears apples.”

“As a rule we disbelieve all the facts and theories for which we have no use.”

“Many a time I have wanted to stop talking and find out what I really believed.”

“Success is the necessary misfortune of life, but it is only to the very unfortunate that it comes early.”

“Book love, my friends, is your pass to the greatest, the purest, and the most perfect pleasure that God has prepared for His creatures.”

“As to that leisure evening of life, I must say that I do not want it. I can conceive of no contentment of which toil is not to be the immediate parent.”

“He must have known me had he seen me as he was wont to see me, for he was in the habit of flogging me constantly. Perhaps he did not recognise me by my face.”

“The satirist who writes nothing but satire should write but little -- or it will seem that his satire springs rather from his own caustic nature than from the sins of the world in which he lives.”

“Marvelous is the power which can be exercised, almost unconsciously, over a company, or an individual, or even upon a crowd by one person gifted with good temper, good digestion, good intellects, and good looks.”