An attempt to recreate this fine poem by Shelley in Quenya:

I read in a book1 that these four lines of verse from William Blake's Auguries of Innocence2 are considered by some the finest four lines of English literature. Well, I do not know about that, but they certainly do have an appeal to me in their Hermetic vision of the World:

1. 1. England's Best Beloved Poems by George Courtauld
2. 2. To check the whole poem see e.g. this link

Nu caimanya síra ceante,
lorna en, titta liante.
Lintamaite, nahtumnenye,
ananta - pustanenye :
Ma ólane sen, ma eccoituvas
ar nómeo ilvanya sanuvas
saminde liarin oa laiquasses -
ar qualme – soryuvasses?
Se leptanen leryatas
imbi hwinde ar tasar tás.

Ece lyen were línerya,
olwallo olwanna avalerya
i níti miquis artuileo,
cilintillar luinin helleo.
Nai Rána asyuva eresserya
tantala sanen lind’ isilmeva.
Quie mornie úvuva endanyan
harmalyar lelyuvar inwissinyan
i marillaron elvie naltainen
ar laituvanyel annalyainen.

Here is a quote for you to find out from whom it is:

Lóremo ná quen ye pole tuve tierya eryave isilmenen, ar paimerya ná i cenis ára nó ilye exi ambaresse.

Eä ass' Ambaresse ve yána morna latta, ar quanta quenion quanta múkeo múko ná, ar tás i Ambaro *feunar marir; mal lá anamba epe silume ...

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