eternity
From LSJ
ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
V. μυρίος χρόνος, ὁ, or use P. and V. ὁ πᾶς χρόνος (Plato, Ap. 40E), ὁ ἀεὶ χρόνος.