Failure to repent is much worse than sin. One may have sinned for but a moment, but may fail to repent of it moments without number. Chasidic saying, from the book, Day by Day
On Yom Kippur, the Day of Atonement, Jews around the world repent for the past year's sins, wiping the slate clean for another year. But you don't have to be Jewish to ask for forgiveness. This Day of Atonement would be a fitting time for non-Jews as well to show some true repentance, more than the standard "I'm sorry," often forced, and mumbled insincerely.
A good piece for Yom Kippur and worth reading by all. I guess I'm missing the point if I suggest I know some rabbis who should learn to express themselves with this much clarity, insight, and simplicity. I wish these were the readings we used at any of the synagogues I've attended. This language speaks to me much more directly than the words I usually hear.