ἀποβλεπτέον
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
English (LSJ)
one must consider, Gal.11.407.
Spanish (DGE)
hay que prestar atención εἰς τὴν τῆς οὐσίας αὐτοῦ σύστασιν ἀποβλεπτέον Gal.11.407, cf. Hsch.
Greek (Liddell-Scott)
ἀποβλεπτέον: Ῥηματ. ἐπίθ. τοῦ ἀποβλέπω, δεῖ ἀποβλέπειν, Γαλην. τ. 2, σ. 3Β.