6 and that which He hath done to Dathan, and to Abiram, sons of Eliab, sons of Reuben, when the earth hath opened her mouth and swalloweth them, and their houses, and their tents, and all that liveth, which is at their feet, in the midst of all Israel:
Matthew Henry's Commentary on Deuteronomy 11:6
Commentary on Deuteronomy 11:1-7
(Read Deuteronomy 11:1-7)
Observe the connexion of these two; Thou shalt love the Lord, and keep his charge. Love will work in obedience, and that only is acceptable obedience which flows from a principle of love, 1 John 5:3. Moses recounts some of the great and terrible works of God which their eyes had seen. What our eyes have seen, especially in our early days, should affect us, and make us better long afterwards.