“spiritual prerequisites of success” for “all and sundry members of the Bahá’í community, of whatever age, rank, experience, class, or color, as all, with no exception, must face”

…complete freedom from prejudice in their dealings with peoples of a different race, class, creed, or color…should be the immediate, the universal, and the chief concern of all and sundry members of the Bahá’í community, of whatever age, rank, experience, class, or color, as all, with no exception, must face its challenging implications, and none can claim, however much he may have progressed along this line, to have completely discharged the stern responsibilities which it inculcates. 

- Shoghi Effendi  (‘The Advent of Divine Justice’)