Out of the “First Epistle to the Corinthians” by Clement of Rome, written in the mid 90s AD. Chapter 32:
And so we, having been called through His will in Christ Jesus, are
not justified through ourselves or through our own wisdom or
understanding or piety or works which we wrought in holiness of
heart, but through faith, whereby the Almighty God justified all men
that have been from the beginning; to whom be the glory for ever and
See more here.