From songwriter/inspirationalist Marsha Stevens via the southern gospel music blog averyfineline.com:
I like Mark Lowry‘s take on the old saying. He says, "What if we said ‘Love the sinner, hate MY OWN sin?’ Wouldn’t that be a good thought?"
Learn more about Marsha Stevens at Balm Ministries.
Postscript: Rich Blinne assesses what the Bible says about the cliché.