sacred obligation is to deliver the message to their fellowmen at once, and on as large a scale as possible.

There is so much suffering, such a great and desperate need for a true remedy and the Bahá’ís should realize their sacred obligation is to deliver the message to their fellowmen at once, and on as large a scale as possible. If they fail to do so, they are really partly responsible for prolonging the agony of humanity.

-Shoghi Effendi, Lights of Guidance, p. 127