On the journey back to England Berkeley spent some time in Lyon where he wrote the essay De motu (On motion) which he submitted for the Grand Prix of the Academy of Sciences .
Sa paglalakbay pabalik sa England Berkeley nagastos ng ilang oras sa Lyon kung saan siya ang sanaysay wrote Mula motu (Sa galaw) na kung saan siya na isinumite para sa grand pri ng Academy of Sciences.