This is the Age of Insects

The mortal enemies of man are not his fellows of another continent or race; they are the aspects of the physical world which limit or challenge his control, the disease germs that attack him and his domesticated plants and animals, and the insects that carry many of these germs as well as working notable direct injury. This is not the age of man, however great his superiority in size and intelligence; it is literally the age of insects.

 The Patient is a Besieged City

The physician should look upon the patient as a besieged city and try to rescue him with every means that art and science place at his command.

 Joseph Addison on Homo Sapiens Omnivorous Nature

When I behold a fashionable table set out in all its magnificence, I fancy that I see gouts and dropsies, fevers and lethargies, with other innumerable distempers lying in ambuscade among the dishes. Nature delights in the most plain and simple diet. Every animal but man keeps to one dish. Herbs are the food of this species, fish of that, and flesh of a third. Man falls upon everything that comes in his way; not the smallest fruit or excrescence of the earth, scarce a berry or a mushroom can ...