The discovery of the fifteenth-century codex Vlatadon 14 in 2005 was an extraordinary moment for scholars of Graeco Roman antiquity, as it brought to light a new witness to a large collection of Galen's medical and philosophical works. Among them is the moral essay De indolentia (On Avoiding Distress), a text long deemed lost, and the De propriis placitis (On My Own Opinions), a doxographical piece with a complex textual tradition, up to that point...