There are two girls in the picture. One of them was lucky enough to get into high society. She is excited and a little scared by the uncertainty of her future fate. The second one dutifully ties her corset, with disappointment: why did fate choose not her.
Due to differences in climates, minds, energies, tastes, ages, and eyesight, equality among people is never possible. Inequality should therefore be considered an immutable law of nature