S.Thomas and the Greeks are inside the golden sphere of science, and below on earth are the heresiarchs and faithful.

Rosini gives a faithful outline of this picture in his Atlas of Illustrations.
[138] "For my mouth shall speak truth; and wickedness is an abomination to my lips."-- Prov.

viii.

7.
[139] Gozzoli's picture is now in the Louvre.

I think Guillaume de Saint Amour takes the place of Averroes.
[140] _Inf._ iv.