Mathematics - the unshaken Foundation of Sciences, and the plentiful Fountain of Advantage to human affairs.
Isaac BarrowHe that loveth a book will never want a faithful friend, a wholesome counsellor, a cheerful companion, an effectual comforter. By study, by reading, by thinking, one may innocently divert and pleasantly entertain himself, as in all weathers, so in all fortunes.
Isaac Barrow