Sforno on Deuteronomy 5:16/ספורנו על דברים ה׳:ט״ז

1ולמען ייטב לך, even in this life already. As our ages (said Peyah 1,1) that “there are commandments for the fulfillment of which one “eats” the dividends in this life whereas the principal is reserved for use in the world to come.” Honouring father and mother is one of those commandments.