From study of the beloved Guardian's letters it is apparent that what he wanted the friends to avoid is 'specifically aggressive or directly military' activities. As regards indirect activities it would be extremely difficult in modem society for anyone to disassociate himself from activities which, in the long run and by devolution, are inimical to the human race."
- The Universal House of Justice (From a letter dated 29 November 1967 to an individual believer; compilation: ‘Lights of Guidance’)