Take care lest your heart be deceived, and you turn aside and serve other gods and worship them;
16 Take heed to yourselves. By often inculcating the same thing, viz., that they should diligently take heed, he indirectly arraigns man’s proneness to superstition; and this too is again expressed in the words, “that your heart be not deceived;” for by them he signifies, that unless they take diligent heed to themselves, nothing will be more easy than for them to fall into the snares of Satan.
Still Moses urges the same subject, as loth to conclude till he had gained his point. "If thou wilt enter into life, if thou wilt enter into Canaan, a type of that life, and find it a good land indeed to thee, keep the commandments: Keep all the commandments which I command you this day; love God, and serve him with all your heart." I.
Commenting on Deuteronomy 11:8-17
That your days may be multiplied,.... Long life being a very desirable blessing, and which is promised to those that obey and keep the law; see Deu 30:19. and the days of your children; which are dear to parents, and the continuance of whose lives, next to their own, is most desirable, yea, as desirable as their own; and especially it is desirable that they...