4 quotes
Even insects express anger, terror, jealousy, and love by their stridulation.
The Expression of the Emotions in Man and Animals (1872)
[T]he young and the old of widely different races, both with man and animals, express the same state of mind by the same movements.
The Expression of the Emotions in Man and Animals (1872)
Through the principle of associated habit, the same movements of the face and eyes are practised, and can, indeed, hardly be avoided, whenever we know or believe that others are blaming, or too strongly praising, our moral conduct.
The Expression of the Emotions in Man and Animals (1872)
Many insects stridulate by rubbing together specially modified parts of their hard integuments. This stridulation generally serves as a sexual charm or call; but it is likewise used to express different emotions [...] anger, terror, jealousy, and love.
The Expression of the Emotions in Man and Animals (1872)