[22] Müller, "Christian Doctrine of Sin," vol. i. p. 28.
[23] Green, "Spiritual Philosophy," vol. i. p. 2.
[24] Morell, "Psychology," p. 61.
[25] Cousin, "Elements of Psychology," p. 452.
[26] Martineau's "Essays," p. 188, 2d Series.
[27] "Timæus," ch. ix.
[28] "Philebus," § 50.
[29] "Sophist," § 72.
[30] "Timæus," ch. ix. x.
[31] "Correlation and Conservation of Forces," p. 199.