1 Thessalonians 3:4

For verily, when we were with you, we told you beforehand that we are to suffer affliction; even as it came to pass, and ye know.

1 Thessalonians 2:14

For ye, brethren, became imitators of the churches of God which are in Judaea in Christ Jesus: for ye also suffered the same things of your own countrymen, even as they did of the Jews;

John 16:1-3

These things have I spoken unto you, that ye should not be caused to stumble.

Acts 17:1

Now when they had passed through Amphipolis and Apollonia, they came to Thessalonica, where was a synagogue of the Jews:

Acts 17:5-9

But the Jews, being moved with jealousy, took unto them certain vile fellows of the rabble, and gathering a crowd, set the city on an uproar; and assaulting the house of Jason, they sought to bring them forth to the people.

Acts 17:13

But when the Jews of Thessalonica had knowledge that the word of God was proclaimed of Paul at Beroea also, they came thither likewise, stirring up and troubling the multitudes.

Acts 20:24

But I hold not my life of any account as dear unto myself, so that I may accomplish my course, and the ministry which I received from the Lord Jesus, to testify the gospel of the grace of God.

2 Corinthians 8:1-2

Moreover, brethren, we make known to you the grace of God which hath been given in the churches of Macedonia;

1 Thessalonians 2:2

but having suffered before and been shamefully treated, as ye know, at Philippi, we waxed bold in our God to speak unto you the gospel of God in much conflict.

2 Thessalonians 1:4-6

so that we ourselves glory in you in the churches of God for your patience and faith in all your persecutions and in the afflictions which ye endure;

Treasury of Scripture Knowledge

Summary

For verily, when we were with you, we told you before that we should suffer tribulation; even as it came to pass, and ye know.

General references

Bible References

We told

John 16:1
These things have I spoken unto you, that ye should not be caused to stumble.
Acts 20:24
But I hold not my life of any account as dear unto myself, so that I may accomplish my course, and the ministry which I received from the Lord Jesus, to testify the gospel of the grace of God.

Even

1 Thessalonians 2:2
but having suffered before and been shamefully treated, as ye know, at Philippi, we waxed bold in our God to speak unto you the gospel of God in much conflict.
Acts 17:1
Now when they had passed through Amphipolis and Apollonia, they came to Thessalonica, where was a synagogue of the Jews:
2 Corinthians 8:1
Moreover, brethren, we make known to you the grace of God which hath been given in the churches of Macedonia;
2 Thessalonians 1:4
so that we ourselves glory in you in the churches of God for your patience and faith in all your persecutions and in the afflictions which ye endure;

General references

Ecclesiastes 2:20
Therefore I turned about to cause my heart to despair concerning all the labor wherein I had labored under the sun.
Luke 21:13
It shall turn out unto you for a testimony.

American Standard Version Public Domain