Music, metaphysics of, i. 330-346, iii. [231-248].
Mysteries essential to religion, ii. 367, 368, iii. [430].
Mysticism, Mystics, i. 499, 500, iii. [430] n., [430-434].
Nakedness, i. 296.
Nature, what it means, iii. 1;
works of nature and works of art, iii. [1], [69], [70], [79];
inner nature of, i. 140 seq., 148, 152 seq., iii. [32], [33], [39];
perfection of works of, iii. [69], [70];
the circle of, iii. [267];