Wall has also alluded to his faith when he has spoken at conferences, including a rather straightforward statement of his beliefs at the August 1997 Perl Conference and a discussion of Pilgrim's Progress at the YAPC (Yet Another Perl Conference) in June 2000.
沃尔也在会议上暗示他的忠诚，包括1997年8月的Perl会议上一个相当直接的表述，和2000年6月在YAPC（另一个Perl会议，Yet Another Perl Conference）对《天路历程》的讨论。