When you want information about medicines, you go to a pharmacist who has been trained in that field. He will have considerable professional experience, know all about what various medicines contain, their purposes and side effects. Yet not even an expert on chemical compounds can tell what beneficial substances a plant may contain, by simply looking at it. How, for example, can anyone look at a foxglove and say "There is a substance in this, digitalis, that can be used as an antidote to the heart problems"? One must either ask others who possess the requisite knowledge and experience, or else one must carry out research and experiments by oneself.
Mere guessing could be exceedingly dangerous. For example, anyone
bitten by a poisonous snake needs to be treated at once. In such serious
situations, when a moment's delay may result in death, one clearly,
cannot resort to guesswork or trial and error.
Humans cannot carry out this difficult procedure without conducting
experiments, but a great many living things have been doing this
"naturally" for millions of years. For example, the Bezoar goats—which
we'll examine in greater detail later on posts in future—can neutralize snake venom. For
a creature devoid of reason to know instantly what substance a plant
contains, to correctly decide what purpose it serves, to know under what
circumstances it should be used —and, furthermore, for all members of
the species to share that knowledge— proves one single truth:
There is a power which governs that creature, inspires the necessary
knowledge in it, and rules its behavior. This power belongs to Almighty