eí ti pathṑn ap' emeû agathòn méga mḕ khárin oîdas
if something.ACC.SG suffer.PTCP.AOR.M.NOM.sg of me.GEN good.N.ACC.SG great.N.ACC.SG not grace.ACC know.2SG.PRF
If, receiving some great good from me, you know no gratitude …' (Theognis, Elegies 957)