We may strongly suspect that there is not, in strictness of speaking, one fixed star in the heavens, and reasons which I shall adduce will render this so obvious that there can hardly remain a doubt of the general motion of all the starry systems, and, consequently, of the solar one among the rest.
On the Proper Motion of the Sun and Solar System, Philosophical Transactions of the Royal Society of London, Volume 73, 1783 (p. 248)