Jeremiah 10:2

Thus says Yahweh: "You must not learn the way of the nations, and you must not be dismayed by the signs of the heavens, for the nations are dismayed by them.

Leviticus 20:23

And you shall not follow the statutes of the nation that I am driving out {from before you}, because they did all these things, and I detested them.

Leviticus 18:3

You must not {carry out} the practices of the land of Egypt, in which you lived, and you must not {carry out} the practices of the land of Canaan, to which I am bringing you; and you must not follow their statutes.

Deuteronomy 12:30-31

{take care} so that you are not ensnared {into imitating them} after their being destroyed from {before you}, and so that you not enquire concerning their gods, {saying}, 'How did these nations serve their gods, and [thus] {I myself} want to do also.'

Isaiah 47:12-14

Stand, now, in your enchantments, and in your many sorceries with which you have labored from your youth. Perhaps you may be able to benefit; perhaps you may {scare away}.

Ezekiel 20:32

And {what you are planning}, surely it will not be--that you are saying, 'Let us be like the nations, like the clans of the lands, {serving wood and stone}!'

Luke 21:25-28

"And there will be signs in the sun and moon and stars, and on the earth distress of nations in perplexity from the noise of the sea and [its] surging,

Treasury of Scripture Knowledge

Summary

Thus saith the LORD, Learn not the way of the heathen, and be not dismayed at the signs of heaven; for the heathen are dismayed at them.

Bible References

Learn

Leviticus 18:3
You must not {carry out} the practices of the land of Egypt, in which you lived, and you must not {carry out} the practices of the land of Canaan, to which I am bringing you; and you must not follow their statutes.
Leviticus 20:23
And you shall not follow the statutes of the nation that I am driving out {from before you}, because they did all these things, and I detested them.
Deuteronomy 12:30
{take care} so that you are not ensnared {into imitating them} after their being destroyed from {before you}, and so that you not enquire concerning their gods, {saying}, 'How did these nations serve their gods, and [thus] {I myself} want to do also.'
Ezekiel 20:32
And {what you are planning}, surely it will not be--that you are saying, 'Let us be like the nations, like the clans of the lands, {serving wood and stone}!'

Be

Isaiah 47:12
Stand, now, in your enchantments, and in your many sorceries with which you have labored from your youth. Perhaps you may be able to benefit; perhaps you may {scare away}.
Luke 21:25
"And there will be signs in the sun and moon and stars, and on the earth distress of nations in perplexity from the noise of the sea and [its] surging,