Imitation is for the most part so unconscious that its...

Imitation is for the most part so unconscious that its effects are almost unheeded, but its influence is not the less permanent on that account. It is only when an impressive nature is placed in contact with an impressionable one that the alteration in the character becomes recognizable. Yet even the weakest natures exercise some influence upon those about them. The approximation of feeling, thought, and habit is constant, and the action of example unceasing.