"He knows the tax code as thoroughly as the pope knows the Lord's Prayer"

This quote by William Proxmire is a contrast between 2 people who have a deep understanding of their particular fields. The very first individual is a tax professional who knows the tax code inside and out. The second person is the Pope, who is presumed to have a deep understanding of the Lord's Prayer. The contrast suggests that the tax professional has a level of understanding and knowledge that is similar to the Pope's understanding of the Lord's Prayer. This quote is a testimony to the tax professional's devotion and expertise in his field. It likewise suggests that the Pope has a deep understanding of the Lord's Prayer, which is a testimony to his faith and devotion. This quote is a suggestion that devotion and expertise in any field can be attained with hard work and dedication.