USBN #134 March 1940, p2
As regards the celebration of the Christian Holidays by the believers; it is surely preferable and even highly advisable that the friends should in their relation to each other discontinue observing such holidays as Christmas and New Year, and to have their festival gatherings of this nature instead during the intercalary days and Naw-Ruz ... ,
Concerning the question how long it takes for the spirit to properly disconnect itself from the body; there is no reference to that in the Writings ....
The healing prayers revealed by Baha’u’llah can be effective even though used by non-believers. But their effectiveness is of course greater in the case of those who fully accept the Revelation.
To Mrs. Elizabeth Edwards, March 19, 1939.