On 21/09/2015 09:17, Fran Farmer wrote:
As I mentioned, I wanted to know who wrote the poem. Further googling
has now yielded a result. Thanks for your input.

That got me interested - so I did some digging.

http://poesie.webnet.fr/lesgrandsclassiques/poemes/christophe_plantin/le_bonheur_de_ce_monde.html

aka http://tinyurl.com/nk7fhrs would appear to be the original; there
are various translations. That New Zealand links seems to have his first
name wrong.

Andy