"I have been so beset, and so worried, and so torn by the anxiety of this new book, that I have been made ill by it."

"A wonderful fact to reflect upon, that every human creature is constituted to be that profound secret and mystery to every other."

"I have always been of the opinion that it is better to be happy than to be rich, and that it is better to be good than to be great."

"I am convinced that nothing has effectually suffered in the world but for want of money."

"I have always been of the opinion that the best thing a man can do is to keep his own counsel."