All, therefore, were glorified and magnified, not through themselves or their own works or the righteous actions which they did, but through his will. And so we, having been called through his will in Christ Jesus, are not justified through ourselves or through our wisdom or understanding or piety or works, which we have done in holiness of heart, but through faith, by which the almighty God has justified all who have existed from the beginning, to whom be the glory for ever and ever. Amen.1 Clement 32:3-4
It is therefore faith alone which justifies, and yet the faith which justifies is not alone: just as the heat alone of the sun which warms the earth, and yet in the sun it is not alone, because it is constantly conjoined with light.
By faith alone one is freely forgiven of all sins and the believer is no longer burdened by the Law for meriting good works. Our works, however, are demonstrative of our faith and will determine whether we are ultimately justified.
It is true that faith alone justifies, without works; but I am speaking about genuine faith, which after it has justified, will not go to sleep but is active through love.
It is not of our own accord that we have believed... and even when we had come to believe, He did not require of us purity of life, but approving mere faith, God bestowed on us forgiveness of sins.
we cannot expect the earliest Christians to have the same clarity on the issue of sola fide as the Reformers. The emphasis we find among them on topics like good works and merit lacks the clarity of the later discussions, but a sympathetic reading doesn't posit a contradiction between them and the Reformers. True faith results in good works, and the term "merit" in the early fathers may designate the reward given instead of being interpreted to say that one earns salvation.Sola Fide, 23
Justification is by faith alone, but it isn't a faith that is alone, for true faith produces good works. Still, good works are not the ground or cause of salvation; they are the fruit of one's faith. The perfect righteousness of Christ is imputed to believers, so that their righteousness is not inherent but is theirs because they are united to Jesus Christ. At the final judgment God will declare publicly what was already the case in the lives of believers, i.e., that they are righteous by faith, and their works will verify (but will not be the foundation of) that declaration.