Leviticus 20:23

And ye shall not walk in the customs of the nation which I am casting out before you; for all these things have they done, and they became an abomination to me.

Leviticus 18:3

After the doings of the land of Egypt, wherein ye dwelt, shall ye not do; and after the doings of the land of Canaan, whither I bring you, shall ye not do; neither shall ye walk in their customs.

Leviticus 18:24

Make not yourselves unclean in any of these things; for in all these have the nations which I am casting out before you made themselves unclean.

Leviticus 18:30

And ye shall observe my charge, that ye commit not any of the abominable customs which were committed before you; and ye shall not make yourselves unclean therein: I am Jehovah your God.

Leviticus 18:27

(for all these abominations have the men of the land done, who were before you, and the land hath been made unclean);

Deuteronomy 9:5

Not for thy righteousness, or for the uprightness of thy heart, dost thou enter in to possess their land, but for the wickedness of these nations doth Jehovah thy God dispossess them from before thee, and that he may perform the word which Jehovah swore unto thy fathers, to Abraham, to Isaac, and to Jacob.

Deuteronomy 12:30-31

take heed to thyself that thou be not ensnared to follow after them, after that they are destroyed from before thee; and that thou inquire not after their gods, saying, How did these nations serve their gods? even so will I do likewise.

Psalm 78:59

God heard, and was wroth, and greatly abhorred Israel:

Jeremiah 10:1-2

Hear the word that Jehovah speaketh unto you, house of Israel.

Zechariah 11:8

And I destroyed three shepherds in one month; and my soul was vexed with them, and their soul also loathed me.

Treasury of Scripture Knowledge

Summary

And ye shall not walk in the manners of the nation, which I cast out before you: for they committed all these things, and therefore I abhorred them.

General references

Bible References

In the manners

Leviticus 18:3
After the doings of the land of Egypt, wherein ye dwelt, shall ye not do; and after the doings of the land of Canaan, whither I bring you, shall ye not do; neither shall ye walk in their customs.
Deuteronomy 12:30
take heed to thyself that thou be not ensnared to follow after them, after that they are destroyed from before thee; and that thou inquire not after their gods, saying, How did these nations serve their gods? even so will I do likewise.
Jeremiah 10:1
Hear the word that Jehovah speaketh unto you, house of Israel.

Therefore

Leviticus 18:27
(for all these abominations have the men of the land done, who were before you, and the land hath been made unclean);
Deuteronomy 9:5
Not for thy righteousness, or for the uprightness of thy heart, dost thou enter in to possess their land, but for the wickedness of these nations doth Jehovah thy God dispossess them from before thee, and that he may perform the word which Jehovah swore unto thy fathers, to Abraham, to Isaac, and to Jacob.
Psalm 78:59
God heard, and was wroth, and greatly abhorred Israel:
Zechariah 11:8
And I destroyed three shepherds in one month; and my soul was vexed with them, and their soul also loathed me.

General references

Numbers 33:56
And it shall come to pass that I will do unto you as I thought to do unto them.
Deuteronomy 12:4
Ye shall not do so unto Jehovah your God;