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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Expression of Emotion in Man and Animals by Charles Darwin: serve to recall some of the chief points discussed in this volume.
We may confidently believe that laughter, as a sign of pleasure or enjoyment,
was practised by our progenitors long before they deserved to be called human;
for very many kinds of monkeys, when pleased, utter a reiterated sound,
clearly analogous to our laughter, often accompanied by vibratory movements
of their jaws or lips, with the corners of the mouth drawn backwards
and upwards, by the wrinkling of the cheeks, and even by the brightening
of the eyes.
We may likewise infer that fear was expressed from an extremely remote period,
in almost the same manner as it now is by man; namely, by trembling,
the erection of the hair, cold perspiration, pallor, widely opened eyes,
Expression of Emotion in Man and Animals |
