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Rom 2:13 For it is not the hearers of the law who are just before God, but the doers of the law shall be justified
One can search the New Testament front to back and back to front and no where will they find one verse containing the phrase "faith alone". It simply does not exist. However, there is a passage that contains both those words in one sentence...
Jas 2:17 Therefore, faith without works is dead, being it is alone
Neither.
Is there another option?