[4] Marcus Aurelius Antoninus: Meditations, IX, 28; VI, 37; XI, 1.
[5] Andrew D. White: A History of the Warfare of Science with Theology in Christendom, Vol. I, p. 97.
[6] Roger Bacon: Epistola de Secretis Operibus Artis et Naturae, et de Nullitate Magiae, Caput IV, in Opera Quaedam Hactenus Inedita, edited by J. S. Brewer, p. 533.
[7] Jerome Cardan: De Subtilitate, Liber Decimusseptimus: De artibus, artificiosisque rebus.
[8] Edward Winslow: Hypocrisie Unmasked, p. 97.
[9] Ibid.
[10] Blaise Pascal: Opuscules, Preface to the Treatise on Vacuum, in The Thoughts, Letters and Opuscules of Blaise Pascal, Translated by O. W. Wight, p. 550.
[11] Alfred Tennyson: Locksley Hall Sixty Years After.
[12] Comte de Saporta: Le Monde des Plantes avant L'Apparition de L'Homme, p. 109.
[13] H. Faye: Sur L'Origine du Monde, Chapitre XI, p. 256-7.