Directives From the Guardian
Page 73
 

194: TEACHING (The Concourse on High)
 
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"The invisible battalions of the Concourse on High, are mustered, in serried ranks, ready to rush their reinforcements to the aid of the vanguard of Bahá'u'lláh's crusaders in the hour of their greatest need, and in anticipation of that Most Great, that Wondrous Jubilee in the joyfulness of which both heaven and earth will partake."