Deuteronomy 9:4-5

4Speak not thou in thine heart, after that Yhwh thy God hath cast them out from before thee, saying, For my righteousness Yhwh hath brought me in to possess this land: but for the wickedness of these nations Yhwh doth drive them out from before thee.

5Not for thy righteousness, or for the uprightness of thine heart, dost thou go to possess their land: but for the wickedness of these nations Yhwh thy God doth drive them out from before thee, and that he may perform the word which Yhwh sware unto thy fathers, Abraham, Isaac, and Jacob.