A process which led from the amœba to man appeared to the philosophers to be obviously a progress — though whether the amœba would agree with this opinion is not known.
Labor — one of the processes by which A acquires property for B.
A process which led from the amœba to man appeared to the philosophers to be obviously a progress — though whether the amœba would agree with this opinion is not known.
Labor — one of the processes by which A acquires property for B.