The author of Hebrews reminded the people of God that all of the great works in the old testament were the proof of the faith of old testament heroes.
Faith without works is taking the Lord God’s name in vain
When you tell someone you are a Christian they will take notice of everything you do. If you don’t live a life that is glorifying to God, you will mar God’s name in the eyes and hearts of those people.
Salvation is only through faith yet works are the proof of faith
Did not Jesus say that “you shall know them by their fruit” in Matthew?
There will be people who are hypocrites
We forget that on judgment day, He tells the hypocrites and the workers of iniquity,” I was hungry you didn’t feed me, I was naked and you didn’t clothe me, I was in prison but you didn’t visit me. Your ‘faith’ without works is meaningless.”
We need to confront those who claim faith, but don’t live like it
Or they will be told on that day, “depart from me, you worker of iniquity.”
If you are this person who has claimed faith but never walked it out, then I must submit to you that you are indeed, not saved through your faith. If you know this saving grace, then, as we all know people like this, you have to confront the hypocrites that take God’s name in vain since they claim faith yet still do not live by faith.