1. Plato,
2. Aristotle, , Books I-II, VIII; , Book XII
3. Lucretius, , Books I-II, V
4. Plotinus, , II.1, III.2-3, V.1
5. Augustine, , Books XI-XII; , Books XI-XII
6. Aquinas, , I, QQ 44-49, 65-74
7. Descartes, , Parts II-III
8. Newton, , General Scholium
9. Kant, , Transcendental Dialectic, "Antinomy of Pure Reason"
10. Hegel, , Introduction