My only love sprung from my only hate! Too early seen unknown, and known too late! Prodigious birth of love it is to me That I must love a loathèd enemy.
Source documented
From William Shakespeare’s Romeo and Juliet, Act 1, Scene 5. After discovering that Romeo is a Montague, Juliet expresses her shock at falling in love with a member of her family’s enemy household. Verified against the Folger Shakespeare Library’s text.