Like a good song, life has verses, the goliards had taught me. Each verse has to be sung. It takes all of them to make a song. It is the entire chanson you name, but when you think of it, when you smile, it is a favorite verse that delights your ears.
In the excerpt from The Jester by James Patterson and Andrew Gross, the authors compare life to a song, emphasizing that life is composed of many different parts or "verses." Just as a song is meaningful through each verse sung, life is enriched by experiencing all its moments, both good and bad.
The quote suggests that while the whole "song" of life is important, individually, certain "verses" or moments bring special joy and comfort. A particular favorite verse can be uplifting and memorable, just like a cherished line in a song that resonates with us deeply.