natural philosophy, [108];

Transcendental Idealism, [108] f.;

romanticism, [109];

Absolutism, [110], [126]

Schiller, F. C. S., quoted, [18]

Schopenhauer, Arthur, [103], [118] ff.;

pessimism, [119];

metaphysics, [119] ff.;

ethics, [121] f., [145]

Sextus Empiricus, [67]