Hegel, [11], [13], [24], [28], [30], [61], [62]

History, [11]

Hume, [84]

Instinct, [8], [39], [78], [79], [80]

James, William, [50], [93]

Kant, [7], [13], [22], [30], [32], [38], [81], [82], [91]

Leopardi, [48]

Music, [7], [19], [61]

Mysticism, [13], [53], [91]

Nietzsche, [49]