xt successor in the supremacy of the earth is likely to us that we are ourselves creating our own successors; we sical organisation; we are daily giving them greater pow that self-regulating, self-acting power which will be to ourse of ages we shall find ourselves the inferior race. n us; day by day we are becoming more subservient to the more men are daily devoting the energies of their whole is simply a question of time, but that the time will com e world and its inhabitants is what no person of a truly - Cellarius, 1863