Organised crowds have always played an important part in the life of peoples, but this part has never been of such moment as at present.
The substitution of the unconscious action of crowds for the conscious activity of individuals is one of the principal characteristics of the present age.
Crowds, doubtless, are always unconscious, but this very unconsciousness is perhaps one of the secrets of their strength.
In the natural world beings exclusively governed by instinct accomplish acts .