“Disease may be defined as "A change produced in living things in consequence of which they are no longer in harmony with their environment."” MayScienceEnvironmentDiseaseConsequenceHarmonyEnvironmentalDefinedLiving Things Book:Disease and its causes Source: Disease and its causes
“There is no force inherent in living matter, no vital force independent of and differing from the cosmic forces; the energy which living matter gives off is counterbalanced by the energy which it receives.” LifeGivingMatterScienceEnergyForceIndependentCosmicInherent Author:William Thomas Councilman
“Disease may also be thought of as the negation of the normal.” MayDiseaseNormalNegation Author:William Thomas Councilman