Blessed are they that mourn: for they shall be comforted.
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He calls blessed even those who mourn. Their sorrow is of a special kind. He did not designate them simply as sad but as intensely grieving. Therefore he did not say “they that sorrow” but “they that mourn.” This Beatitude is designed to draw believers toward a Christian disposition. Those who grieve for someone else—their child or wife or any other lost relation—have no fondness for gain or pleasure during the period of their sorrow. They do not aim at glory. They are not provoked by insults nor led captive by envy nor beset by any other passion. Their grief alone occupies the whole of their attention. The Gospel of Matthew, Homily