Courtesy and Reverence
Baha'u'llah says: O people of God! I exhort you to courtesy. Courtesy is indeed .. the lord of all virtues. Blessed is he who is adorned with the mantle of Uprightness and illumined with the light of Courtesy. He who is endowed with Courtesy (or Reverence) is endowed with a great station. It is hoped that this Wronged One, and all, will attain to it, hold unto it and observe it. This is the Irrefutable Command which hath flowed from the pen of the Greatest Name. - Tablet of the World. (55:8)

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