Thus, if any participant in an email discussion feels that a view put forward appears to contradict or undermine the provisions of the Covenant, he should be free to say so, explaining candidly and courteously why he feels as he does. The person who made the initial statement will then be able to re-evaluate his opinion and, if he still believes it to be valid, he should be able to explain why it is not contrary to either the letter or the spirit of the Covenant. The participants in such a discussion should avoid disputation and, if they are unable to resolve an issue, they should refer the point to the Universal House of Justice since, in accordance with the Will and Testament of 'Abdu'l-Bahá, 'By this body all the difficult problems are to be resolved ...'and it has the authority to decide upon 'all problems which have caused difference, questions that are obscure, and matters that are not expressly recorded in the Book.' In this way the Covenant can illuminate and temper the discourse and make it fruitful.