Acts 2:40

And with many other words did he testify and exhort, saying: Save yourselves from this wicked generation.

Acts 18:5-6

And when Silas and Timothy came from Macedonia, Paul was roused in spirit, and earnestly testified to the Jews, that-the Christ was Jesus.

Acts 20:21

bearing full testimony both to Jews and to Greeks, of the repentance that leads to God, and of the faith that leads to our Lord Jesus Christ.

Ephesians 4:17

This I say, therefore, and appeal to you solemnly in the Lord, that you no longer walk as the other Gentiles walk, in the error of their minds,

1 Thessalonians 4:6

That no one take advantage of or injure his brother in this matter; because the Lord takes vengeance for all such things, as we also told you before, and fully testified:

Treasury of Scripture Knowledge

Summary

Hear ye, and testify in the house of Jacob, saith the Lord GOD, the God of hosts,

Bible References

And testify

Acts 2:40
And with many other words did he testify and exhort, saying: Save yourselves from this wicked generation.
Acts 18:5
And when Silas and Timothy came from Macedonia, Paul was roused in spirit, and earnestly testified to the Jews, that-the Christ was Jesus.
Acts 20:21
bearing full testimony both to Jews and to Greeks, of the repentance that leads to God, and of the faith that leads to our Lord Jesus Christ.
Ephesians 4:17
This I say, therefore, and appeal to you solemnly in the Lord, that you no longer walk as the other Gentiles walk, in the error of their minds,
1 Thessalonians 4:6
That no one take advantage of or injure his brother in this matter; because the Lord takes vengeance for all such things, as we also told you before, and fully testified: