In this quote, Rabelais is explaining that the best time to write is while one is eating and drinking, which Homer was well aware of. Homer was a Greek poet whose work inspired Rabelais. This can be seen the way his work is structured. All in all, it is safe to assume that Rabelais most likely wrote some of this work while under the influence of alcohol.

Ahn, Joyce. “The Renaissance Reception of Homer’s Odyssey: A Review-Essay.” SalemPress, 16 Sept. 2019, salempress.com/Media/SalemPress/samples/odyssey_pgs.pdf.

In this story, Gargantua is constantly learning new lessons every day. These never ending lessons take up all of his time. This is Rabelais's way of describing how he sees Renaissance education in a satire way.

Merritt, Yvonne. “The Unquenchable Thirst to Understand: Francois Rabelais’ Satire of Medieval and Renaissance Learning In Gargantua and Pantagruel.” Rabelais, Nov. 1999, itech.fgcu.edu/&/issues/vol2/issue2/rabelais.htm.

"The fleece All-golden" is referencing the Golden Fleece, which Jason recovered for King Pelias. Jason set out on a quest on a ship called The Argo. Jason and his crew set sail to Colchis and eventually brought the Golden Fleece back to Iolcos. Source: https://golden-fleece.fitzmuseum.cam.ac.uk/myth/

In this section, Krishna is talking about how he encompasses everything in the universe. He is explaining this to Arjuna in a way that he can understand. This is why he uses examples such as the "taste of water". Source: https://www.holybhagavadgita.org/bhagavad-gita-summary-chapter-7/