[165] As Plato pointed out in his Meno, 80.
[166] As Plato teaches.
[167] A mistaken notion of Plato's, then common; see Matth. 6.23.
[168] Diog. Laert. vii. 157.
[169] Section 8.
[170] Section 2.
[171] Section 6.
[172] This Stoic theory is set forth by Diogenes Laertes in vii. 157.
[173] As thought Aristotle, de Anima, ii. 8.
[174] As Aristotle again thought.