I have.

Revelation 2:4, 20
But I have this against you: You have abandoned your first love. . . .

Balaam.

Numbers 24:14
Now I am going back to my people, but come, let me warn you what this people will do to your people in the days to come."

Numbers 25:1-3
While Israel was staying in Acacia Grove, the men began to indulge in sexual immorality with the daughters of Moab, . . .

Numbers 31:8, 16
Along with those who were slain, they killed the kings of Midian--Evi, Rekem, Zur, Hur, and Reba--the five kings of Midian. They also killed Balaam son of Beor with the sword. . . .

Joshua 24:9
Then Balak son of Zippor, the king of Moab, set out to fight against Israel. He sent for Balaam son of Beor to curse you,

2 Peter 2:15
They have left the straight way and wandered off to follow the way of Balaam son of Beor, who loved the wages of wickedness.

Jude 1:11
Woe to them! They have traveled the path of Cain; they have rushed headlong into the error of Balaam; they have perished in Korah's rebellion.

a stumbling-block.

Isaiah 57:14
And it will be said, "Build it up, build it up, prepare the way, take every obstacle out of the way of My people."

Jeremiah 6:21
Therefore, this is what the LORD says: "I will lay stumbling blocks before this people; fathers and sons alike will be staggered; friends and neighbors will perish."

Ezekiel 3:20
Now if a righteous man turns from his righteousness and commits iniquity, and I put a stumbling block before him, he will die. If you did not warn him, he will die in his sin, and the righteous acts he did will not be remembered. And I will hold you responsible for his blood.

Ezekiel 44:12
Because they ministered before their idols and became a stumbling block of iniquity to the house of Israel, therefore I swore with an uplifted hand concerning them that they would bear the consequences of their iniquity, declares the Lord GOD.

Matthew 18:7
Woe to the world for the causes of sin. These stumbling blocks must come, but woe to the man through whom they come!

Romans 9:32
Why not? Because their pursuit was not by faith, but as if it were by works. They stumbled over the stumbling stone,

Romans 11:9
And David says: "May their table become a snare and a trap, a stumbling block and a retribution to them.

Romans 14:13, 21
Therefore let us stop judging one another. Instead, make up your mind not to put any stumbling block or obstacle in your brother's way. . . .

1 Corinthians 1:23
but we preach Christ crucified, a stumbling block to Jews and foolishness to Gentiles,

1 Corinthians 8:9
Be careful, however, that your freedom does not become a stumbling block to the weak.

1 Peter 2:8
and, "A stone of stumbling and a rock of offense." They stumble because they disobey the message--and to this they were appointed.

eat.

Revelation 2:20
But I have this against you: You tolerate that woman Jezebel, who calls herself a prophetess. By her teaching she misleads My servants to be sexually immoral and to eat food sacrificed to idols.

Acts 15:20, 21, 29
Instead, we should write and tell them to abstain from food polluted by idols, from sexual immorality, from the meat of strangled animals, and from blood. . . .

Acts 21:25
As for the Gentile believers, we have written them our decision that they must abstain from food sacrificed to idols, from blood, from the meat of strangled animals, and from sexual immorality."

1 Corinthians 8:4-13
So about eating food sacrificed to idols: We know that an idol is nothing at all in the world, and that there is no God but one. . . .

1 Corinthians 10:18-31
Consider the people of Israel: Are not those who eat the sacrifices fellow partakers in the altar? . . .

to commit.

Revelation 21:8
But to the cowardly and unbelieving and abominable and murderers and sexually immoral and sorcerers and idolaters and all liars, their place will be in the lake that burns with fire and sulfur. This is the second death."

Revelation 22:15
But outside are the dogs, the sorcerers, the sexually immoral, the murderers, the idolaters, and everyone who loves and practices falsehood.

1 Corinthians 6:13-18
"Food for the stomach and the stomach for food, " but God will destroy them both. The body is not intended for sexual immorality, but for the Lord, and the Lord for the body. . . .

1 Corinthians 7:2
But because there is so much sexual immorality, each man should have his own wife, and each woman her own husband.

Hebrews 13:4
Marriage should be honored by all and the marriage bed kept undefiled, for God will judge the sexually immoral and adulterers.