Make it a rule and pray to God to help you keep it . . . never, if possible, to lie down at night without being able to say "I have made one human being at least a little wiser, a little happier, or a little better this day."

Do noble things, not dream them all day long.

[A]ll the ingenious men, and all the scientific men, and all the fanciful men, in the world,... could never invent, if all their wits were boiled into one, anything so curious and so ridiculous as a lobster.

Better is old wine than new, and old friends like-wise.

If you want to be miserable, think about yourself, about what you want, what you like, what respect people ought to pay you and what people think of you.

[At the end of the story, its main character, Tom] is now a great man of science, and can plan railroads, and steam-engines, and electric telegraphs, and rifled guns, and so forth; and knows everything about everything, except why a hen's egg don't turn into a crocodile, and two or three other little things that no one will know till the coming of the Cocqcigrues.

Gradually the sunken land begins to rise again, and falls perhaps again, and rises again after that, more and more gently each time, till as it were the panting earth, worn out with the fierce passions of her fiery youth, has sobbed herself to sleep once more, and this new world of man is made.