Misfortune often quickens genius. — 2, 43. — Cf. Horace, Satires, 2, 8, 73 (tr. Philip Francis):Sed convivatoris, uti ducis, ingenium res Adversæ nudare solent, celare secundæ.Good fortune hides, adversity brings forth A host’s resources, and a general’s worth.https://en.wikiquote.org/wiki/Ars_Amatoria