76 But on the other hand, to tear the law of nations from its anchor in Divine law, to base it on the autonomous will of States, is to dethrone that very law and deprive it of its noblest and strongest qualities. Thus it would stand abandoned to the fatal drive of private interest and collective selfishness exclusively intent on the assertion of its own rights and ignoring those of others.
Source: Summi Pontificatus (Vatican.va)