Γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → The fool laughs even when there's nothing to laugh at
YAv. vanant, PPA. of van, to win + APers. farnah (comp.), glory, fortune, YAv. xvarənah; winning glory; cf. vanant in YAv. vanōvīspa.