Deuteronomy 27:26
Cursed be he that confirms not all the words of this law to do them. And all the people shall say, Amen.
Torrey's Topical Textbook—AKJV

Galatians 3:10
For as many as are of the works of the law are under the curse: for it is written, Cursed is every one that continues not in all things which are written in the book of the law to do them.
Torrey's Topical Textbook—AKJV

James 2:10
For whoever shall keep the whole law, and yet offend in one point, he is guilty of all.
Torrey's Topical Textbook—AKJV