'Cogitationes de Natura Rerum' Cogitatio 5 in J. Spedding (ed.) 'The Works of Francis Bacon' vol. 3 (1857) p. 22 (Latin) and vol. 5 (1858) p. 426 (English translation)
Francis Bacon, David Mallet (1740). “The Works of Francis Bacon, Baron of Verulam, Viscount St. Alban, Lord High Chancellor of England ...: With Several Additional Pieces, Never Before Printed in Any Edition of His Works. To which is Prefixed, a New Life of the Author”, p.347
Francis Bacon, William Rawley (1858). “The Works of Francis Bacon, Baron of Verulam, Viscount St. Alban, and Lord High Chancellor of England: Literary and professional works”, p.726