Mission of the Church is to collaborate with God in his work for the wholeness of the human person, the human community and the cosmos according to the pattern revealed in Jesus Christ.

The mission of the Church is the one given to her by Christ: to be a force for evangelization and leaven for the building of a Christian community as well as leaven for national unity.

I wish to adopt a holistic approach to the mission of the Church. To my mind the mission of the Church is to collaborate with God in God’s work for the wholeness of the human person, the human community and the cosmos according to the pattern revealed in Jesus Christ (Kunnumpuram 2011)

And this is the mission of the church — not civilization, but salvation — not better laws, purer legislation, social elevation, human equality, and liberty, but FIRST, the " kingdom of God and His righteousness;" regenerated hearts, and all other things will follow.

The fundamental mission of the Church is the evangelisation of the Gospel-values where they do not exist or where they exist and need strengthening. They ought to be proclaimed not just to people but also to structures, situations and contexts. Church leadership in Africa must especially enter more deeply into the reality of the life of the oppressed. The life-style and bearing of Church leaders ought to manifest a clear option for them.

To work for peace and reconciliation is central to the mission of the Church. For the Church exists in order to carry on the saving work of Jesus under the guidance of the Spirit. And his saving work is interpreted in the New Testament as reconciliation and peace-making. According to Paul, God was in Christ Jesus reconciling the world to himself.

There's always the tendency to transform the Church into an ethical agency, and of measuring the Church by the yardstick of social and cultural utility. The mission proper to the Church is that of proclaiming the Gospel. But when one identifies the Church with a cultural and political bloc, there is the danger of making difficult the Church's contact with all those outside the bloc.

Yes, brothers and sisters, the mission of the Church is glorious-to invite all of us to come unto Christ through proclaiming the gospel, perfecting our lives, and redeeming our dead. As we come unto Christ, we bless our own lives, those of our families, and our Father in Heaven's children, both living and dead. . . .

"I pray that we will be obedient to God, learn His will and do it, and, above all, that we will keep the first and great commandment-to love the Lord with all our heart, soul, mind, and strength" ("Come Unto Christ," April 1988 General Conference).

The purpose of all the Church's activity is the salvation of souls. The Curia and other institutions are instruments that must be as flexible as possible in the Pope's and Bishops' hands, to take Christ to the ends of the world.

The preeminent job of the church is to equip Christian for life's challenges. This requires the emphasis on being fitted with tested armor. He is tutored in the Word of God. He is encouraged to rely on the Lord alone through faith in His promises and providence. He is drilled in the doctrines of salvation and is encouraged to allow these truths to work themselves deep into his soul. He is encouraged to live righteously by having within him a righteous mind soaked in Scripture and demonstrated in right living. He is taught how to pray. He is encouraged to share his faith with those who do not have peace with God.
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The Church well knows that its purpose through the centuries of its existence amidst various societies, persons and cultures, was none other than the salvation of men and women and the construction of the city of God, as willed by its founder, Jesus Christ.

The Church does not have technical solutions to offer and does not claim “to interfere in any way in the politics of States.” She does, however, have a mission of truth to accomplish, in every time and circumstance, for a society that is attuned to man, to his dignity, to his vocation. Without truth, it is easy to fall into an empiricist and sceptical view of life, incapable of rising to the level of praxis because of a lack of interest in grasping the values — sometimes even the meanings — with which to judge and direct it. Fidelity to man requires fidelity to the truth, which alone is the guarantee of freedom (cf. Jn 8:32) and of the possibility of integral human development. For this reason the Church searches for truth, proclaims it tirelessly and recognizes it wherever it is manifested. This mission of truth is something that the Church can never renounce. Her social doctrine is a particular dimension of this proclamation: it is a service to the truth which sets us free. Open to the truth, from whichever branch of knowledge it comes, the Church's social doctrine receives it, assembles into a unity the fragments in which it is often found, and mediates it within the constantly changing life-patterns of the society of peoples and nations

The Catholic Church’s job is to call people to sanctity and to equip them for living saintly lives. Its mission is not to produce nice people, or people with hearts of gold, or people with good intentions; its mission is to produce saints, people of heroic virtue…To dial down the demands because they are hard, and most people have a hard time realizing them, is to compromise the very meaning and purpose of the Church. However, here’s the flip side. The Catholic Church couples its extraordinary moral demand with an extraordinarily lenient penitential system. The Church mediates the infinite mercy of God to those who fail to live up to that ideal (which means practically everyone). This is why its forgiveness is so generous and so absolute. To grasp both of these extremes is to understand the Catholic approach to morality.

The Church as the body of Christ, as a spiritual and visible reality at the same time and as a great unity of action, presence and service, must work to convert to God and transform the world. And this is by her own conversion, sanctification and commitment with people and society.