Quote#Wisdom
It may be presumed that all animals which feed on various substances…
Quote byCharles Darwin · 1809–1882
Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: The Formation of Vegetable Mould through the Action of Worms (1881), Chapter 1: Habits of Worms, p. 32..
English (original)
It may be presumed that all animals which feed on various substances possess the sense of taste, and this is certainly the case with worms.
— Charles Darwin
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Even insects express anger, terror, jealousy, and love by their stridulation.
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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.
[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 subject may appear an insignificant one, but we shall see that it possesses some interest; and the maxim "de minimis lex non curat," does not apply to science.