37 Being moved, therefore, by these considerations, as We have exhorted rulers at other times, so still more earnestly We exhort them now, to concord and friendly feeling; and we are the first to stretch out Our hand to them with fatherly benevolence, and to offer to them the help of Our supreme authority, a help which is the more necessary at this time when, in public opinion, the authority of rulers is wounded and enfeebled. Now that the minds of so many are inflamed with a reckless spirit of liberty, and men are wickedly endeavoring to get rid of every restraint of authority, however legitimate it may be, the public safety demands that both powers should unite their strength to avert the evils which are hanging, not only over the Church, but also over civil society.
Source: Arcanum Divinae (Vatican.va)