“All the commandments which I command thee this day shall ye observe to do, that ye may live, and multiply, and go in and possess the land which the LORD sware unto your fathers.”
Showing that it is not enough to hear the word, except we express it by example of life.
“And thou shalt remember all the way which the LORD thy God led thee these forty years in the wilderness, to humble thee, and to prove thee, to know what was in thine heart, whether thou wouldest keep his commandments, or no.”
Which is declared in afflictions, either by patience, or by grudging against God’s visitation.
“And he humbled thee, and suffered thee to hunger, and fed thee with manna, which thou knewest not, neither did thy fathers know; that he might make thee know that man doth not live by bread only, but by every word that proceedeth out of the mouth of the LORD doth man live.”
Man liveth not by meat only, but by the power of God, which giveth it strength to nourish us.
“Thou shalt also consider in thine heart, that, as a man chasteneth his son, so the LORD thy God chasteneth thee.”
So that his afflictions are signs of his fatherly love toward us.
“A land wherein thou shalt eat bread without scarceness, thou shalt not lack any thing in it; a land whose stones are iron, and out of whose hills thou mayest dig brass.”
Where there are mines of metal.
“When thou hast eaten and art full, then thou shalt bless the LORD thy God for the good land which he hath given thee.”
For to receive God’s benefits, and not to be thankful, is to contemn God in them.
“Then thine heart be lifted up, and thou forget the LORD thy God, which brought thee forth out of the land of Egypt, from the house of bondage;”
By attributing God’s benefits to thine own wisdom and labor, or to good fortune.
“Who led thee through that great and terrible wilderness, wherein were fiery serpents, and scorpions, and drought, where there was no water; who brought thee forth water out of the rock of flint;”
Cross references: : Num. 20:11
“But thou shalt remember the LORD thy God: for it is he that giveth thee power to get wealth, that he may establish his covenant which he sware unto thy fathers, as it is this day.”
If things concerning this life, proceed only of God’s mercy: much more spiritual gifts and life everlasting.
“And it shall be, if thou do at all forget the LORD thy God, and walk after other gods, and serve them, and worship them, I testify against you this day that ye shall surely perish.”
Or, take to witness the heaven and the earth, as Deut. 4:26 .