The proof of love is in the works. Where love exists, it works great things. But when it ceases to act, it ceases to exist. -- Pope St. Gregory the Great
If you love God, your works will prove it. If you love your spouse, your works will prove it. If you love yourself, your works will prove it.
Martin Luther, a disgruntled Catholic priest, wanted to throw out the whole book of James from the Bible. He didn't like the idea that you had to work out your salvation with fear and trembling. Did he just want to sit on his sweet little behind and be "saved?"
God told Abraham, I will bless you and make you a blessing [to others], NOT I will bless you so you can sit on your behind. Did God have different message for Martin than He had for Abraham? God doesn't change.
Do you think God holds us to a different standard than those He created thousands of years ago? He doesn't. What He expected then (Do something!) he expects now. How can we claim we didn't know? Last I checked, James is still one of the canonical Books, and what you do for God and others still proves your love.
Excuse me... I have to go do something now....