IV. The fourth principle is, never, to injure the -con-

fidence of your brother by revealing his secrets, for perhaps that were to rob him of the guard that pro- tects bis property or his life. The tongue of a Mason should be without guile and void of offense, speaking truth with discretion, and keeping itself within the rule of judgment, maintaining a "heart free of uncharitable- ness, locking up secrets, and communing in charity and love.