catholic guilt and fear of God brought to new level

Little David, who was Jewish, was failing maths. His parents tried everything. Tutors, mentors, flash cards, special learning centers, and nothing helped. As a last resort, someone told them to try a Catholic school. "Those nuns are tough" they said. David was soon enrolled at St. Mary's. After school on the very first day David ran through the door and straight to his room, without even kissing his mother hello. He started studying furiously, books and papers spread out all over his room. Right after dinner he ran upstairs without mentioning TV, and hit the books harder than before. His parents were amazed. This behavior continued for weeks, until report card day arrived. David quietly laid the envelope on the table, and went to his room. With great trepidation, his mother opened the report. David had gotten an A in math! She ran up to his room, threw her arms around him and asked, "David honey, how did this happen? Was it the nuns? "No!", said David. "On the first day of school when I saw that guy nailed to the plus sign, I knew they weren't fooling around!"