William Shakespeare 
Twelfth Night; Or, What You Will [EPUB ebook] 

Mistaken Identity– Viola and her twin brother, Sebastian, are shipwrecked. While coming ashore they are separated and she assumes he has drowned. Upon reaching shore, Viola decides to disguise herself as a young man. Mistaken identity and romance ensue. ‘Tis beauty truly blent, whose red and white Nature’s own sweet and cunning hand laid on: Lady, you are the cruell’st she alive If you will lead these graces to the grave And leave the world no copy.