The Kitáb-i-Aqdas
35O ye servants of the Merciful One! Arise to serve the Cause of God, in such wise that the cares and sorrows caused by them that have disbelieved in the Dayspring of the Signs of God may not afflict you. At the time when the Promise was fulfilled and the Promised One made manifest, differences have appeared amongst the kindreds of the earth and each people hath followed its own fancy and idle imaginings.
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Cross-References
Bahá’í Faith (Cause of God), service to,   16, K74, K184, 91, n2
Service
exhortation to arise,   K38
promise of Divine Assistance,   K53, K74, 164
Study Guide
How should we arise to serve the Cause of God?
What has appeared amongst the kindreds of the earth “At the time when the Promise was fulfilled and the Promised One made manifest, . . . ”?
What have the people followed?