For any two portions of fire, small or great, will exhibit the same ratio of solid to void; but the upward movement of the greater is quicker than that of the less, just as the downward movement of a mass of gold or lead, or of any other body endowed with weight, is quicker in proportion to its size.
AristotleTemperance and bravery, then, are ruined by excess and deficiency, but preserved by the mean.
Aristotle