If we are to develop a missionary spirituality, it must be built upon a profound but trusting and obedient heart for God, and a deep yet humble personal sense missionary commitment to God’s mission in and for the world. We must understand that God has a role for us to play in what he is doing in the world. A service that we can fulfil, however, if we reject God purposes for us, he can always raise up another, but we will miss the blessings he desires to bestow upon us. Like the Apostle Paul, we are to trust that God will work out his purposes in our lives and grant us courage when we become fearful and afraid. Paul was so convinced that God could be trusted that he wrote to the Philippians saying, “It is my eager expectation and hope that I will not be put to shame in any way, but that by my speaking with all boldness, Christ will be exalted now as always in my body, whether by life or by death” (Phil. 1:20). A humble and firm trust and openness to the will of God are at the centre of an authentic missionary spirituality.