Revelation 22:18-19
I testify to every one that heareth the words of the prophecy of this book, if any man add to them, God shall add to him the plagues that are written in this book.
Acts 2:40
And with many other words did he testify and exhort, saying, Save yourselves from this perverse generation.
Acts 20:21
Testifying both to Jews and Greeks repentance towards God and faith in our Lord Jesus Christ.
Galatians 5:3
For I testify again to every man that is circumcised, he is a debtor to do the whole law.
Ephesians 4:17
This therefore I say and testify in the Lord, that ye no longer walk as the rest of the Gentiles, in the vanity of your mind:
1 Thessalonians 4:6
That none circumvent or defraud his brother in this matter, because the Lord is an avenger of all these things, as we have also told you before and testified.