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"The threshold was, with the ancients, an object of superstitious reverence, and it was thought unfortunate to tread on it with the left foot. On this account, the steps leading into a temple were of an uneven number, because the worshipper, after placing his right foot on the bottom step, would then place the same foot on the threshold also." — Anthon, 1891

Threshold

"The threshold was, with the ancients, an object of superstitious reverence, and it was thought unfortunate…