1 Thessalonians 3:4

For indeed, when we were with you, we foretold you that we are about to suffer tribulation; as indeed took place, and you know it.

1 Thessalonians 2:14

For ye, brethren, became imitators of the churches of God which are in Judea in Jesus Christ: because you suffered the same things from your fellow tribes, as they also from the Jews;

John 16:1-3

I have spoken these things to you, that you may not be offended.

Acts 17:1

And having traveled through Amphipolis and Apollonia, they came into Thessalonica, where there was a synagogue of the Jews.

Acts 17:5-9

But the Jews giving away to jealousy, and receiving to themselves certain wicked men of those around the forum, and raising a mob, continued to put the city in an uproar; and assaulting the house of Jason, they were seeking to lead them out to the people:

Acts 17:13

but when the Jews from Thessalonica knew that the word of God was preached by Paul in Berea, they came thither also, agitating and stirring up the rabbles.

Acts 20:24

But I consider my life worthy of no consideration to myself, so as to finish my course, and the ministry which I received from the Lord Jesus, to bear testimony to the gospel of the grace of God.

2 Corinthians 8:1-2

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

1 Thessalonians 2:2

but having suffered, and been abused, as you know, at Philippi, we were bold in our God to speak to you the gospel of God in much conflict.

2 Thessalonians 1:4-6

so that we ourselves rejoice over you in the churches of God, on account of your patience and faith in all your persecutions and tribulations which you 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
I have spoken these things to you, that you may not be offended.
Acts 20:24
But I consider my life worthy of no consideration to myself, so as to finish my course, and the ministry which I received from the Lord Jesus, to bear testimony to the gospel of the grace of God.

Even

1 Thessalonians 2:2
but having suffered, and been abused, as you know, at Philippi, we were bold in our God to speak to you the gospel of God in much conflict.
Acts 17:1
And having traveled through Amphipolis and Apollonia, they came into Thessalonica, where there was a synagogue of the Jews.
2 Corinthians 8:1
But, brethren, we make known to you the grace of God which has been given in the churches of Macedonia;
2 Thessalonians 1:4
so that we ourselves rejoice over you in the churches of God, on account of your patience and faith in all your persecutions and tribulations which you endure;

General references

Luke 21:13
And it shall come to pass to you for a testimony.