Deuteronomy 27:26 pronounces a curse for failing to keep all the law, grounding James’s principle that one slip brings guilt for the whole law.

Matthew 5:19 warns that annulling even one commandment lessens one’s status in the kingdom, complementing James’s point that breaking one command makes one guilty of all.

Galatians 3:10 cites the same curse from Deuteronomy 27:26, explicitly linking failure to do all the law with a curse — directly paralleling James’s 'guilty of all'.

Deuteronomy 6:25 says doing all commandments brings righteousness; this directly complements James's point that failing in one makes one guilty of all.

Romans 2:12 states that those under the law are judged by it — reinforcing James' claim that a single offense makes one guilty before the whole law.

Romans 9:31 notes Israel failed to reach righteousness through the law — James 2:10 explains why: a single misstep breaks the whole.

Galatians 5:3 says if you accept circumcision you must obey the whole law — directly restating James' principle of the law's unity.

Romans 5:16 shows that one sin brought condemnation — paralleling James' idea that a single offense incurs full guilt.

Romans 3:20 says the law brings knowledge of sin — supporting James' point that the law convicts even one transgression.