35 Together with obedience and discipline, We are pleased to recall those other duties of universal charity which are suggested to us by St. Paul in that same chapter iv. of the Letter to the Ephesians, which We have already quoted and which ought to be the fundamental norm of all those who work in Catholic Action: "I, therefore, a prisoner in the Lord, beseech you that you walk worthy . . . with all humility and mildness, with patience, supporting one another in charity, careful to keep the unity of the Spirit in the bond of peace, one body and one Spirit" ( Ephesians iv. 1 to 4).
Source: Nos Es Muy Conocida (Vatican.va)