“nothing is worth doing except what the world says is impossible.”

“The public have an insatiable curiosity to know everything, except what is worth knowing.”

“nothing that is worth knowing can be taught”

“To get back my youth I would do anything in the world, except take exercise, get up early, or be respectable.”

“If I could get back my youth, I'd do anything in the world except get up early, take exercise or be respectable.”

“I have nothing to declare except my genius.”

“But what world says that [I'm wicked]? It can only be the next world. This world and I are on excellent terms.”