Left: a medieval representation of the elements. Right: the Greek physicians Galen (d.217 AD) and Hippocrates (d.370 BC) discuss scientific matters. The full Latin inscription in the border reads: ETAS VULTUS HOMOR MUTANTUR TEMPORE CUIUS / DE QUO PLUS ET INEST COMPLEXIO DICITUR HUIUS. ("People's age, face and disposition change with time, so that their constitution is increasingly said to be theirs.") Fresco in the Crypt of St. Magnus (1237), Cattedrale di Santa Maria, Anagni, Lazio, Italy.