"...The student of prehistoric man...Cannot reject [the Castenedolo skull] as false without doing injury to his sense of truth, and he cannot accept it as fact without shattering his accepted beliefs."

"Mathematics had never had more than a secondary interest for him [her husband, George Boole]; and even logic he cared for chiefly as a means of clearing the ground of doctrines imagined to be proved, by showing that the evidence on which they were supposed to give rest had no tendency to prove them."

"Reading alters the appearance of a book. Once it has been read, it never looks the same again, and people leave their individual imprint on a book they have read. Once of the pleasures of reading is seeing this alteration on the pages, and the way, by reading it, you have made the book yours."