“Oh, you are indeed there, my skylark! Come to me. You are not gone: not vanished? I heard one of your kind an hour ago, singing high over the wood: but its song had no music for me, any more than the rising sun had rays. All the melody on earth is concentrated in my Jane’s tongue to my ear (I am glad it is not naturally a silent one): all the sunshine I can feel is in her presence.”
The water stood in my eyes to hear this avowal of his dependence; just as if a royal eagle, chained to a perch, should be forced to entreat a sparrow to become its purveyor.

– Charlotte Bronte

Jane Eyre, Chapter 37. In the penultimate chapter Rochester and Jane enter the final stage of their relationship. It is one in which he is dependant on her. A series of animal metaphors convey the joy and intimacy of the moment. Rochester describes Jane as his skylark, while she likens him to a royal eagle chained to a perch, which has to ask a sparrow to be its purveyor. This is a beautiful intimate moment of shared love.