Sam tells a young Sylvester Stallone about practicing boxing with a side of beef.
This episode takes place in Philadelphia, Pennsylvania from August 19 to August 21, 1963.
The church used in this episode is actually the Sacred Heart Catholic Church at 2210 Sichel St, Los Angeles, CA 90031. The street name can actually be seen at 38:58.
The title refers to the act of believing in something without, or in spite of, available empirical evidence.
Prior to joining the priesthood, Father McRoberts was a Marine and fought in the Battle of Edson's Ridge (also known as the Battle of Bloody Ridge) in Guadalcanal on the Solomon Islands from September 12 to September 14, 1942. He was awarded a Silver Star and a Purple Heart.