Deuteronomy 8:1

1 `All the command which I am commanding thee to-day ye observe to do, so that ye live, and have multiplied, and gone in, and possessed the land which Jehovah hath sworn to your fathers;

Deuteronomy 8:1 Meaning and Commentary

Deuteronomy 8:1

All the commandments which I command thee this day shall ye
observe to do
It is repeated over and over again, to impress it on their minds, and to show the importance and necessity of it, how greatly it was expected from them, and how much it was incumbent on them:

that ye may live and multiply, and go in and possess the land which the
Lord sware unto your fathers;
for their temporal life, and the mercies and comforts of it, the multiplication of their offspring, and of their substance, their entrance into the land of Canaan, possession of it, and continuance in it, all depended on their obedience to the commands of God; see ( Deuteronomy 19:20 ) .

Deuteronomy 8:1 In-Context

1 `All the command which I am commanding thee to-day ye observe to do, so that ye live, and have multiplied, and gone in, and possessed the land which Jehovah hath sworn to your fathers;
2 and thou hast remembered all the way which Jehovah thy God hath caused thee to go these forty years in the wilderness, in order to humble thee to try thee, to know that which [is] in thy heart, whether thou dost keep His commands or not.
3 `And He doth humble thee, and cause thee to hunger and doth cause thee to eat the manna (which thou hast not known, even thy fathers have not known), in order to cause thee to know that not by bread alone doth man live, but by every produce of the mouth of Jehovah man doth live.
4 `Thy raiment hath not worn out from off thee, and thy foot hath not swelled these forty years,
5 and thou hast known, with thy heart, that as a man chastiseth his son Jehovah thy God is chastising thee,
Young's Literal Translation is in the public domain.