“The colours of insects and many smaller animals contribute to conceal them from the larger ones which prey upon them. Caterpillars which feed on leaves are generally green; and earth-worms the colour of the earth which they inhabit; butter-flies, which frequent flowers, are coloured like them; small birds which frequent hedges have greenish backs like the leaves, and light-coloured bellies like the sky, and are hence less visible to the hawk who passes under them or over them.”
![“[Retirement] is a dangerous experiment, and generally ends in either drunkenness or hypochrondriacism.” quote by Erasmus Darwin](https://sms4smile.com/quotes/img-quotes/b10/erasmus-darwin-17186_dangerous_retirement-is-a-dangerous-experiment-and_142700.jpg)
![“The mass starts into a million suns; Earths round each sun with quick explosions burst, And second planets issue from the first. [The first concept of a 'big bang' theory of the universe.]” quote by Erasmus Darwin](https://sms4smile.com/quotes/img-quotes/cb4/erasmus-darwin-17186_big-bang_the-mass-starts-into-a-million-suns-eart_235851.jpg)
![“Opium is the only drug to' be rely'd on-all the boasted nostrums only take up time, and as the disease [is] often of short duration, or of small quantity, they have gain'd credit which they do not deserve.” quote by Erasmus Darwin](https://sms4smile.com/quotes/img-quotes/762/erasmus-darwin-17186_credit_opium-is-the-only-drug-to-be-rely-d-on-a_368750.jpg)
