LXX Deut 8:17

μὴ εἴπῃς ἐν τῇ καρδίᾳ σου Ἡ ἰσχύς μου καὶ τὸ κρότος τῆς χειρός μου ἐποίησέν μοι τὴν δύναμιν τὴν μεγάλην ταύτην.

You might say in your heart, “The power and strength of my hands have made this wealth for me.”