TheoFonsAd fontes fidei

Pacem in Terris

PT · Ioannes XXIII · 1963 · LA · 172 paragraphi · vatican.va ↗ · AAS 55, p. 257 ↗

And lastly one must bear in mind that, even when it regulates the relations between States, authority must be exercised for the promotion of the common good. That is the primary reason for its existence.