“He who is fixed to a star does not change his mind.”

“I look upon it, that he who does not mind his belly will hardly mind anything else.”

“She was his north star, the fixed point round which his world turned. For as long as his heart beat, or hers, he believed they would always share a destiny.”

“For what is the amount of all his prayers but an attempt to make the Almighty change his mind, and act otherwise than he does? It is as if he were to say: Thou knowest not so well as I.”

“He changes his opinions as he does his friends, and much on the same account. He has no comfort in fixed principles; as soon as anything is settled in his own mind, he quarrels with it. He has no satisfaction but the chase after truth, runs a question down, worries and kills it, then quits it like a vermin, and starts some new game, to lead him a new dance, and give him a fresh breathing through bog and brake, with the rabble yelping at his heels and the leaders perpetually at fault.”

“A teacher who cannot explain any abstract subject to a child does not himself thoroughly understand his subject; if he does not attempt to break down his knowledge to fit the child's mind, he does not understand teaching.”

“A fanatic is one who can't change his mind and won't change the subject.”

“If only his mind were as easy to fix as his body.”

“God does not change, which is why He is considered the Absolute. Anything that changes can't be you too, including the mind.”

“They tell us of the fixed laws of nature! but who dares maintain that He who fixed these laws cannot use them for the purpose of answering His people's prayers?”