"Natural abilities are like natural plants; they need pruning by study."
--Francis Bacon, essayist, philosopher, and statesman (1561-1626)

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triolet (TREE-uh-lit, -lay) noun

A poem or stanza of eight lines, having a rhyme scheme ABaAabAB, in
which the first, fourth, and seventh lines are the same, and second
is the same as the eighth line.

Here's a lighthearted triolet by G.K. Chesterton:

I wish I were a jelly fish
That cannot fall downstairs:
Of all the things I wish to wish
I wish I were a jelly fish
That hasn't any cares,
And doesn't even have to wish
'I wish I were a jelly fish
That cannot fall downstairs.'

Check out these computing triolets written by MIT students.