Acts 2:40

Also with many other words he testified, and exhorted them, saying, "Be saved from this perverse generation!"

Acts 18:5-6

And, when both Silas and Timothy came down from Macedonia, Paul was being constrained by the word, fully testifying to the Jews that Jesus is the Christ.

Acts 20:21

fully testifying, both to Jews and Greeks, repentance toward God, and faith toward our Lord Jesus.

Ephesians 4:17

This, therefore, I say, and testify in the Lord, that ye no longer walk as the gentiles also walk, in the vanity of their mind,

1 Thessalonians 4:6

that he go not beyond and gain an advantage over his brother in the matter; because the Lord is an avenger of all these things, as we also told you before, and solemnly 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
Also with many other words he testified, and exhorted them, saying, "Be saved from this perverse generation!"
Acts 18:5
And, when both Silas and Timothy came down from Macedonia, Paul was being constrained by the word, fully testifying to the Jews that Jesus is the Christ.
Acts 20:21
fully testifying, both to Jews and Greeks, repentance toward God, and faith toward our Lord Jesus.
Ephesians 4:17
This, therefore, I say, and testify in the Lord, that ye no longer walk as the gentiles also walk, in the vanity of their mind,
1 Thessalonians 4:6
that he go not beyond and gain an advantage over his brother in the matter; because the Lord is an avenger of all these things, as we also told you before, and solemnly testified.