1 Thessalonians 3:4

for even when we were with you, we said to you beforehand, that we are about to suffer tribulation, as also it did come to pass, and ye have known it;

1 Thessalonians 2:14

for ye became imitators, brethren, of the assemblies of God that are in Judea in Christ Jesus, because such things ye suffered, even ye, from your own countrymen, as also they from the Jews,

John 16:1-3

'These things I have spoken to you, that ye may not be stumbled,

Acts 17:1

And having passed through Amphipolis, and Apollonia, they came to Thessalonica, where was the synagogue of the Jews,

Acts 17:5-9

And the unbelieving Jews, having been moved with envy, and having taken to them of the loungers certain evil men, and having made a crowd, were setting the city in an uproar; having assailed also the house of Jason, they were seeking them to bring them to the populace,

Acts 17:13

And when the Jews from Thessalonica knew that also in Berea was the word of God declared by Paul, they came thither also, agitating the multitudes;

Acts 20:24

but I make account of none of these, neither do I count my life precious to myself, so that I finish my course with joy, and the ministration that I received from the Lord Jesus, to testify fully the good news of the grace of God.

2 Corinthians 8:1-2

And we make known to you, brethren, the grace of God, that hath been given in the assemblies of Macedonia,

1 Thessalonians 2:2

but having both suffered before, and having been injuriously treated (as ye have known) in Philippi, we were bold in our God to speak unto you the good news of God in much conflict,

2 Thessalonians 1:4-6

so that we ourselves do glory in you in the assemblies of God, for your endurance and faith in all your persecutions and tribulations that ye bear;

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 I have spoken to you, that ye may not be stumbled,
Acts 20:24
but I make account of none of these, neither do I count my life precious to myself, so that I finish my course with joy, and the ministration that I received from the Lord Jesus, to testify fully the good news of the grace of God.

Even

1 Thessalonians 2:2
but having both suffered before, and having been injuriously treated (as ye have known) in Philippi, we were bold in our God to speak unto you the good news of God in much conflict,
Acts 17:1
And having passed through Amphipolis, and Apollonia, they came to Thessalonica, where was the synagogue of the Jews,
2 Corinthians 8:1
And we make known to you, brethren, the grace of God, that hath been given in the assemblies of Macedonia,
2 Thessalonians 1:4
so that we ourselves do glory in you in the assemblies of God, for your endurance and faith in all your persecutions and tribulations that ye bear;

General references

Ecclesiastes 2:20
And I turned round to cause my heart to despair concerning all the labour that I laboured at under the sun.
Luke 21:13
and it shall become to you for a testimony.