Sforno on Numbers 32:23/ספורנו על במדבר ל״ב:כ״ג

1'הנה חטאתם לה, by your failure to live up to your undertaking it will become clear that you had sinful intent from the beginning.. הנה חטאתם לה', by your failure to live up to your undertaking it will become clear that you had sinful intent from the beginning.