Although healing with flowers is a time immemorial practice, we can trace Bach's methods from different sources. For example, seeing "personality types" within the plants largely comes from the ancient practice known as the Doctrine of Signatures. Although not used today as strongly in allopathic society due to the huge leaps we have made in modern medicine and advanced technology, this was an ancient means homosapien used to safely understand what was food and medicine, and pattern recognition for remembering throughout the seasons, years and generations.
As a vitalist, he honored this wisdom of Paracelsus, seeing not only these patterns, but that the light of Nature, or Lumen Naturae, as an intelligence and force of healing. Although he understood germ theory and was a medical doctor in London, he valued the relationship between one's personality and their ability to truly heal. In accordance with Vedic wisdom he saw that true suffering is often due to not living up to one's "soul purpose," which can make one sick on many levles, as well as understood through the emerging teachings of Samuel Hahneman and Homeopathy, that vibrational remedies, in small doses, can offer profound shifts in the human organism's ability to heal and transform.
As an herbalist and influenced by the alchemists, his preparation and storage methods of Flower Essence Therapy worked with the elements and intelligent means of preparation, that has the science community today confounded. In fact, many people have yet to understand the subtle intelligence that is carried by each flower.
His philosophy, like from the ancient yogis, incorporates the Vital Force, subtle energy, alchemical wisdom and folkloric medicine.