With love’s light wings did I o’er-perch these walls;
For stony limits cannot hold love out,
And what love can do that dares love attempt.

– William Shakespeare

Romeo and Juliet, Act 2, Scene 2. Romeo uses the metaphor of "light wings" to describe the power of love to lift people up and allow them to fly over obstacles and boundaries. He also personifies "stony limits," the walls around the Capulets’ home, saying they cannot hold his love out.