τοῖς αὑτοῦ τέλεσι

From LSJ

ἀλλὰ τί ἦ μοι ταῦτα περὶ δρῦν ἢ περὶ πέτρην → why all this about trees and rocks, why all these things we have nothing to do with

Source

Greek > English (Woodhouse)

at his own charges, at one's own expense