Giovanni Boccaccio 
The Decameron, Book II [EPUB ebook] 

Many stories, sweet my ladies, occur to me as meet for me to tell by way of ushering in a day so joyous as this will be: of which one does most commend itself to my mind, because not only has it, one of those happy endings of which today we are in quest, but ‘twill enable you to understand how holy, how mighty and how salutary are the forces of Love, which not a few, witting not what they say, do most unjustly reprobate and revile: which, if I err not, should to you, for that I take you to be enamoured, be indeed welcome.