Page:Yale Law Journal - Volume 27.pdf/57

Rh rules, like the old, are intended to effectuate public ideals, they always differ from them. In other words, the rules of every system of law are continually changing to keep pace with the changes in public ideals, but all that can be said of this change is that it is dominated immediately by the needs of humanity; but who can say who or what dominates the evolution of humanity?