The heart is deceitful above all things, and desperately sick; who can understand it?Jeremiah 17:9 In this morning’s reading from Jeremiah, we have this difficult statement about the human heart.  The heart is deceitful above all things, and desperately sick; who can understand it?  … What does this mean? I think that it means that, first, we don’t understand ourselves. Sometimes we say things that surprise us, or we have every good intention to do something but…