During the 10-Year Crusade, a Knight of Bahá’u’lláh writes the Guardian regarding a question he has about his mission in a foreign land.
The Guardian receives this letter, and decides it is, indeed, a very important question. So he writes a reply to this noble servant, to thoroughly answer his question.
After a month has passed, the Guardian wishes to inquire of this Knight for an update on his progress. He dispatches a telegram to that pioneering post, and patiently waits.
Two days later he receives his answer, "still reading"!