Dr. Samuel Hahnemann (1755-1843) coined the word “Homeopathy” from the Greek words “homoios” and “pathos” meaning “similar suffering,” which expresses the natural law for curing disease (“law of similars” or “like cures like”).
Just like the Law of Gravity, you know what will happen if you throw a rock up into the air. Even though you can not see the force that returns it to earth, you trust that the outcome will always be the same. We know this constancy is present also in the Law of Similars.
In fact, the only way a disease can be cured permanently is by administering a medicine which would produce a similar state of suffering in a healthy individual. Alternatively, a medicine which is not similar will either suppress or palliate the disease. Herbs, Drugs and even vitamins are generally built on the premise of “contraries” or “Allopathy” which was another term coined by Dr. Hahnemann.