Revelation 22:18-19
I warn everyone who hears the words of prophecy contained in this book that if anyone adds anything to it, God will add to him the plagues that are described in this book;
Acts 2:40
With many more words he continued to testify and to plead with them to save themselves from that crooked age.
Acts 20:21
but constantly and earnestly I urged Greeks as well as Jews to turn with repentance to God and to have faith in our Lord Jesus.
Galatians 5:3
I again insist that if any man lets himself be circumcised, he is under obligation to obey the whole law.
Ephesians 4:17
So I mean this and now testify to it in the name of the Lord: You must now stop living as the heathen usually do, in the frivolity of their minds,
1 Thessalonians 4:6
that no one should do wrong and defraud his brother in this matter, because the Lord takes vengeance for all such things, as we told you before and solemnly warned you.