Whan that Aprille
The Prologue to The Canterbury Tales. I used to know these first 18 lines by heart.
Read more about Whan that Aprille>Whan that Aprille with his shoures soote
The droghte of Marche hath perced to the roote,
And bathed every veyne in swich licour,
Of which vertu engendred is the flour;
Whan Zephirus eek with his swete breeth
Inspired hath in every holt and heeth