While this may sound unique, you can see the heritage in this passage with a biblical passage. This saying appears to be derived from an inspiration of the book of Ephesians. This would entail another contrast in the irony Rabelais wishes to display to the reader. What is a reference in Ephesians to awake to the Jesus - instead he is singing to those around him - reference the idea of free interpretation of biblical verses and being guided by the spirit to speak such things rather than the catholic church. The paragraph before and after dive deeper into the protestant ideology that stride father from the catholic ideology that with protestants, they can interpret and illustrates scriptural and theology losely rather than strict interpretation like at the time during reformation in the 16th century in france. This makes the most sense as well in the idea that Reinian is a german name and what was at the time eastern frankia was heavily interactive with - the lutheran church spread into france quickly and rapidly.

https://en.wikipedia.org/wiki/Lutheranism https://www.houseofnames.com/reinmann-family-crest https://www.biblegateway.com/passage/?search=Ephesians%205%3A13-15&version=KJ21

This line in the story really highlights his satirical in tone, especially to its reference of decretalism preachers. This is more into reference of the ongoing theme in atmosphere of the protestant reformation in the 16th century. The monk is challenging the what was believed to be the theology of some of the 16th century catholics who favored legalism and and strict interpretation rather than the what protestant deemed upon any interpretation of the bible as the spirit of god. During this time, the protestant church was growing and many faced the wrath of the political state and were often persecuted. This perfectly fits reasoning as to why Rabelais is mocking these figures by likening the speaker. Rabelais wanted to challenge such common notions and antagonize events like such in much of his writings.

“The Rise of Protestantism in France (1520-1562).” Musée Protestant, museeprotestant.org/en/notice/the-rise-of-protestantism-in-france-1520-1562/.

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The concept of sin is a one that comes up often across the text. Its concept is related to the religion of Hinduism of course, which has its differences from the concept of sin in the religion of Christianity. The distinction between the both can help fully understand the at a deeper level why Krishna had so much interest with Arjuna. In Christianity, Sin is famously know as wrongdoings against the will of god, creating a separation between the person who commits this and God. Consequences of this simply put leads someone to eternal Damnation. However, Sin in Hinduism varies Because the ultimate consequence is that sin is the action agaisnt what is meant for you (Dharma), and that every action as consequence, the negative ones having impact on your bodily and spiritual growth. Understanding this helps explain why there was such a desire to get Arjuna to fulfill and be in accordance with what was meant for him.

https://www.patheos.com/answers/do-hindus-have-sin