James 2:10 in the King James Version
For whosoever shall keep the whole law, and yet offend in one point, he is guilty of all.
Context
9 But if you show partiality, you commit sin, being convicted by the law as transgressors.
10 For whoever keeps the whole law, and yet stumbles in one point, he has become guilty of all.
11 For he who said, “Do not commit adultery,” also said, “Do not commit murder.” Now if you do not commit adultery but do murder, you have become a transgressor of the law.