Because when you practice math a lot,
it almost always pays off.
Another article "Enrich Mathematics Discussions with Poems" (written by me and available here) suggests class-inclusion of poems about the nature of mathematics and its history, the lives and contributions of mathematicians -- including the work of women and minorities -- and similarities between mathematics and poetry. Discussion of student attitudes -- from excitement to math anxiety -- often can be facilitated by discussion of a poem; the article offers suggestions.
To find a host of additional poetry samples,
the blog Search offers a way to find poems on a topic of your choice.