[39] Vide Chapter III.
[40] Enchiridion, lib. ii, cap. 18.
[41] Ibid.
[42] Enchiridion, lib. iii, cap. 8: “The blood incessantly and naturally ascends or flows back to the heart in the veins, as in the arteries it descends or departs from the heart.”
[43] Enchirid. lib. iii, cap. 8.
[44] Lib. iii, cap. 6.
[45] Lib. iii, cap. 6.
[46] Lib. iii, cap. 9.
[47] Lib. iv, cap. 2.
[48] To those who hesitated to visit him in his kiln or bakehouse (ἱπνω, which some have said should be ἱππω, rendered a dunghill) Heraclitus addressed the words in the text. Aristotle, who quotes them, has been defending the study of the lower animals.