Poor lady, she were better love a dream.
Disguise, I see thou art a wickedness.

– William Shakespeare

Twelfth Night, Act 2, Scene 2. Viola realizes that Olivia has fallen in love with Cesario (Viola in disguise) and becomes alarmed and distressed over this. She feels bad because Olivia has fallen in love with the appearance – the “dream” – but the reality is unattainable.