New Revised Standard Version
Know, then, that the LORD your God is not giving you this good land to occupy because of your righteousness; for you are a stubborn people.

New American Bible
Know this, therefore: it is not because of your justice that the LORD, your God, is giving you this good land to possess, for you are a stiff-necked people.

Douay-Rheims Bible
Know therefore that the Lord thy God giveth thee not this excellent land in possession for thy justices, for thou art a very stiffnecked people.

Know therefore that the Lord thy God giveth thee not this excellent land in possession for thy justices, for thou art a very stiffnecked people.

Understand

Deuteronomy 9:3,4 Thou shalt know therefore this day that the Lord thy God himself will pass over before thee, a devouring and consuming fire, to destroy and extirpate and bring them to nothing before thy face quickly, as he hath spoken to thee. . . .

Ezekiel 20:44 And you shall know that I am the Lord, when I shall have done well by you for my own name's sake, and not according to your evil ways, nor according to your wicked deeds, O house of Israel, saith the Lord God.

a stiff-necked

Deuteronomy 9:13 And again the Lord said to me: I see that this people is stiffnecked:

Deuteronomy 10:16 Circumcise therefore the foreskin of your heart, and stiffen your neck no more.

Deuteronomy 31:27 For I know thy obstinacy, and thy most stiff neck. While I am yet living, and going in with you, you have always been rebellious against the Lord: how much more when I shall be dead?

Exodus 32:9 And again the Lord said to Moses: I see that this people is stiffnecked:

Exodus 33:3 That thou mayst enter into the land that floweth with milk and honey. For I will not go up with thee, because thou art a stiffnecked people; lest I destroy thee in the way.

Exodus 34:9 Said: If I have found grace in thy sight, O Lord, I beseech thee that thou wilt go with us, (for it is a stiffnecked people) and take away our iniquities and sin, and possess us.

2 Chronicles 30:8 Harden not your necks, as your fathers did: yield yourselves to the Lord, and come to his sanctuary, which he hath sanctified forever: serve the Lord the God of your fathers, and the wrath of his indignation shall be turned away from you.

2 Chronicles 36:13 He also revolted from king Nabuchodonosor, who had made him swear by God: and he hardened his neck and his heart, from returning to the Lord the God of Israel.

Psalm 78:8 That they may not become like their fathers, a perverse and exasperating generation. A generation that set not their heart aright: and whose spirit was not faithful to God.

Isaiah 48:3,4 The former things of old, I have declared, and they went forth out of my mouth, and I have made them to be heard: I did them suddenly and they came to pass. . . .

Ezekiel 2:4 And they to whom I send thee are children of a hard face, and of an obstinate heart: and thou shalt say to them: Thus saith the Lord God:

Zechariah 7:11,12 But they would not hearken, and they turned away the shoulder to depart: and they stopped their ears, not to hear. . . .

Acts 7:51 You stiffnecked and uncircumcised in heart and ears, you always resist the Holy Ghost. As your fathers did, so do you also.

Romans 5:20,21 Now the law entered in that sin might abound. And where sin abounded, grace did more abound. . . .