τῶν δὲ μαντηίων ἀμφοτέρων ἐς τὠυτὸ αἱ γνῶμαι συνέδραμον, προλέγουσαι Κροίσῳ, ἢν στρατεύηται ἐπὶ Πέρσας, μεγάλην ἀρχὴν μιν καταλύσειν·

and the judgment given to Croesus by each of the two oracles was the same, to wit, that if he should send an army against the Persians he would destroy a great empire.

Source: https://www.loebclassics.com/view/herodotus-persian_wars/1920/pb_LCL117.61.xml