There is no such thing as observing a mean in excess or deficiency, nor as exceeding or falling short in observance of a mean.
excessquotes
The first set make the underlying body one — either one of the three or something else which is denser than fire and rarer than air — then generate everything else from this, and obtain multiplicity by condensation and rarefaction. Now these are contraries, which may be generalized into “excess and defect”.
The mother of excess is not joy but joylessness.