The Expression of the Emotions in Man and Animals

INTRODUCTION

CHAP. I—GENERAL PRINCIPLES OF EXPRESSION. The three chief principles stated—The first principle—Serviceable actions become habitual in association with certain states of the mind, and are performed whether or not of service in each particular case—The force of habit—Inheritance—Associated habitual movements in man—Reflex actions—Passage of habits into reflex actions—Ass...