1 Thessalonians 3:4

for indeed when we were with you we told you beforehand that we were about to be afflicted, just as indeed it happened, and you know.

1 Thessalonians 2:14

For you became imitators, brothers, of the churches of God [which] are in Judea in Christ Jesus, because you also suffered the same [things] at the hands of your own people, just as [they] themselves [did] also at the hands of the Jews,

John 16:1-3

"I have said these [things] to you so that you will not fall away.

Acts 17:1

Now [after they] traveled through Amphipolis and Apollonia, they came to Thessalonica, where there was a synagogue of the Jews.

Acts 17:5-9

But the Jews were filled with jealousy and, taking along some worthless men from the rabble in the marketplace and forming a mob, threw the city into an uproar. And attacking Jason's house, they were looking for them to bring [them] out to the popular assembly.

Acts 17:13

But when the Jews from Thessalonica found out that the message of God had been proclaimed by Paul in Berea also, they came there too, inciting and stirring up the crowds.

Acts 20:24

But I consider [my] life [as] worth {nothing} to myself, in order to finish my mission and the ministry that I received from the Lord Jesus, to testify [to] the gospel of the grace of God.

2 Corinthians 8:1-2

Now we make known to you, brothers, the grace of God that has been given among the churches of Macedonia,

1 Thessalonians 2:2

but [after we] had already suffered and been mistreated in Philippi, just as you know, we had the courage in our God to speak to you the gospel of God amid much opposition.

2 Thessalonians 1:4-6

so that we ourselves boast in you in the churches of God about your patient endurance and faith in all your persecutions and the afflictions that you are enduring,

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 said these [things] to you so that you will not fall away.
Acts 20:24
But I consider [my] life [as] worth {nothing} to myself, in order to finish my mission and the ministry that I received from the Lord Jesus, to testify [to] the gospel of the grace of God.

Even

1 Thessalonians 2:2
but [after we] had already suffered and been mistreated in Philippi, just as you know, we had the courage in our God to speak to you the gospel of God amid much opposition.
Acts 17:1
Now [after they] traveled through Amphipolis and Apollonia, they came to Thessalonica, where there was a synagogue of the Jews.
2 Corinthians 8:1
Now we make known to you, brothers, the grace of God that has been given among the churches of Macedonia,
2 Thessalonians 1:4
so that we ourselves boast in you in the churches of God about your patient endurance and faith in all your persecutions and the afflictions that you are enduring,

General references

Ecclesiastes 2:20
So {I began to despair} of all the toil with which I toiled under the sun.
Luke 21:13
This will turn out to you for a [time of] witness.