Act 2, Scene 1, Princess of France

Love's Labour's Lost is one of William Shakespeare's early comedies, believed to have been written in the mid-1590s for a performance at the Inns of Court before Queen Elizabeth I. It follows the King of Navarre and his three companions as they attempt to swear off the company of women for three years in order to focus on study and fasting. Their subsequent infatuation with the Princess of France and her ladies makes them forsworn (break their oath). Wikipedia

The phrase beauty is in the eye of the beholder means that different people have different opinions as to what should be deemed attractive. Beauty is in the eye of the beholder means that beauty is subjective. Whether or not beauty is subjective has been debated at least since ancient Greece. Shakespeare wrote of beauty in Love’s Labour Lost, saying “Beauty is bought by judgement of the eye…” Benjamin Franklin wrote “Beauty, like supreme dominion/Is but supported by opinion,” in Poor Richard’s Almanack. Margaret Wolfe Hungerford is credited with coining the exact phrase beauty is in the eye of the beholder in her novel Molly Bawn, published in 1878.
grammarist.com/phrase/beauty-is-in-the-eye-of-the

great!