We never do what we wish when we wish it, and when we desire a thing earnestly, and it does arrive, that or we are changed, so that we slide from the summit of our wishes and find ourselves where we were.
Mary Wollstonecraft Shelley, Betty T. Bennett (1980). “The Letters of Mary Wollstonecraft Shelley: "A part of the elect."”, Baltimore : Johns Hopkins University Press, c1980-c1988.