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Salvation is not by grace, it is by faith, as Paul clearly said.
His use of the term ‘grace’ is simply to underscore that it is not by merit.
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Ephesians 2, e-s. Ephesians 2.
It’s been quoted here enough that salvation is by grace through faith.
Of course, I have no idea what your definition of ‘faith’ is other than just another works-based religion.