Space and Time! Two minor omissions that no one is likely to notice. — The Baroque Cycle

"You do not have a rival, Fatio. But Isaac Newton does."

"Any sufficiently advanced technology is indistinguishable from a yo-yo."

"I believe that binary arithemetickal engines will be of enormous significance"

"Is it a good yarn?" "It is not a narrative. It is a mathematical technique so advanced that only two people in the world understand it," the Doctor said. "When published, it will bring about enormous changes in not only mathematics, but all forms of natural philosophy and engineering. People will use it to build machines that fly through the air like birds, and that travel to other planets, and its very power and brilliance will sweep old, tottering, worn-out systems of thought into the dustbin.” "And you invented it, Doctor?" Eliza asked, as Jack was occupied making finger-twirling movements in the vicinity of his ear. "Yes—seven or eight years ago." "And still no one knows about it, besides—" "Me, and the other fellow." "Why havent you told the world about it?" "Because it seems the other fellow invented it ten years before I did, and didnt tell anyone."

"Particular mention must go to Fernand Braudel, to whose work this book may be considered a discursive footnote. … Of particular note is Sir Winston Spencer Churchill’s six-volume biography of Marlborough, which people who are really interested in this period of history should read, and people who think that I am too long-winded should weigh."

"Jack laughed. “If it’s privacy you want, you’re in the wrong subcontinent.”"