Lawrence G. Lovasik (1999). “The Hidden Power of Kindness: A Practical Handbook for Souls who Dare to Transform the World, One Deed at a Time”, p.189, Sophia Institute Press
Elementary Treatise on Mechanics ch. 4 (1819). This is an instance of unintentional rhyme and meter. After the passage's poetical qualities were pointed out to him,Whewell altered it in subsequent editions of the book.