[[14]] Plato: Phaedo, translated by F. J. Church.

[[15]] Plato: Phaedo, translated by F. J. Church.

[[16]] Plato: Phaedo, translated by F. J. Church.

[[17]] See p. 111.

[[18]] Diogenes Laertius.

[[19]] See p. 361 ff.

[[20]] II Corinthians IV, 18.

[[21]] Plato: Phaedrus, translated by Jowett.

[[22]] See p. 72.

[[23]] See Chapters viii and ix.