USBN #245 July 1951 p7
"He feels that the American believers are showing their dedication to the Faith and to all of its many-sided activities through the support they are giving to this holy enterprise at the World Center of the Cause. It is surprising to see how the confirmations of Baha'u'llah flow out to the friends , and enable them to do ever more for His Cause. Truly, the work, on not only a spiritual plane, but on the physical plane too, is fed from unseen springs."
April 16, 1951