ἐνδυστυχῆσαι δεινὸν εὐφρόνης κνέφας

From LSJ

ἡ τῶν θεῶν ὑπ' ἀνθρώπων παραγωγήdeceit of gods by humans

Source

English > Greek (Woodhouse Quotes Reversed)

the gloom of night is dangerous to fail in