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15 Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses: for whoever eateth leavened bread, from the first day till the seventh day, that soul shall be cut off from Israel.
'A headdress,' as in Exodus 28, signifies intelligence and wisdom.
(参考: Arcana Coelestia 10008)
28 Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the first-born should touch them.
