LeiderLeider, well said, and ouch, the truth hurts, doesn’t it? You hit it on the head, good for you. However, I would give the benefit of this doubt to Joseph, he seems to truly believe in what he says. So do I. I disagree with him most of the time, but that is irrelevant for this purpose. To Joseph, shame on you, it is Dan Lekaf Zchus, kaf being the receptacle on the scales (moznayim) which zchus and chova are measured. It is not Lekav (line) zchus. But giving you the benefit of the doubt, maybe it was a typo.
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