“There is nothing in the world so irresistibly contagious as laughter and good humour.”

“You are fettered," said Scrooge, trembling. "Tell me why?"
"I wear the chain I forged in life," replied the Ghost. "I made it link by link, and yard by yard; I girded it on of my own free will, and of my own free will I wore it.”

“No space of regret can make amends for one life's opportunity misused”

“You may be an undigested bit of beef, a blot of mustard, a crumb of cheese, a fragment of underdone potato. There's more of gravy than of grave about you, whatever you are!”

“They are Man's and they cling to me, appealing from their fathers. This boy is Ignorance and this girl is Want. Beware them both, and all of their degree, but most of all beware this boy for on his brow I see that written which is Doom, unless the writing be erased.”

“But you were always a good man of business, Jacob,' faltered Scrooge, who now began to apply this to himself.

Business!' cried the Ghost, wringing its hands again. "Mankind was my business; charity, mercy, forbearance, and benevolence, were, all, my business. The deals of my trade were but a drop of water in the comprehensive ocean of my business!”

“Marley was dead: to begin with.”

“Bah," said Scrooge, "Humbug.”

“Really, for a man who had been out of practice for so many years it was a splendid laugh!”

“God bless us, every one!”

“And therefore, Uncle, though it has never put a scrap of gold or silver in my pocket, I believe that [Christmas] has done me good, and will do me good; and I say, God bless it!”

“Mankind was my business. The common welfare was my business; charity, mercy, forbearance, benevolence, were all my business. The dealings of my trade were but a drop of water in the comprehensive ocean of my business!”

“He was consious of a thousand odours floating in the air, each one connected with a thousand thoughts, and hopes, and joys, and cares, long, long, forgotten.”

“You fear the world too much,' she answered gently. 'All your other hopes have merged into the hope of being beyond the chance of its sordid reproach. I have seen your nobler aspirations fall off, one by one, until the master passion, Gain, engrosses you. Have I not?”

“Marley was dead, to begin with ... This must be distintly understood, or nothing wonderful can come of the story I am going to relate.”
― Charles Dickens, A Christmas Carol