Law,

of advantage, 256;
of association, 394-398;
of attention, 256, 262-263, 267;
of combination, 263-264, 398-417;
of effect, 391-393;
of exercise, 389-391, 393-394;
of habit, 389;
of reaction, 256, 262-263, 267;
of selection, 256, 262, 378, 382;
of shifting, 256, 263;
of tendency, 81, 263

Learning,

93-94, 96, 99, 112, 113, 143-144, 296-329;
laws of, 389-417, 433

Libido,

507

Light,

212-213

Likes and dislikes,

178-184, 291, 492-493, 513