χαλαστέον
From LSJ
τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
English (LSJ)
A one must relax, Herod.Med. in Rh.Mus.58.91, Gal.Sect.Intr.7.
Greek (Liddell-Scott)
χαλαστέον: δεῖ χαλᾶν, Σωρ. Ἐφ. ἔκδ. Erm. σ. 81.