One atom in this universe cannot move without dragging the whole world along with it. There cannot be any progress without the whole world following in the wake, and it is becoming every day dearer that the solution of any problem can never be attained on racial, or national, or narrow grounds.
Social progress takes effect through the replacement of all institutions by new ones; and since every institution involves the recognition of the duty of conforming to it, progress must involve the repudiation of an established duty at every step.
Natural religion supplies still all the facts which are disguised under the dogma of popular creeds. The progress of religion is steadily to its identity with morals.