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The first Joyful Mystery: The Annunciation
The first Joyful mystery draws our attention to the very first moments of Jesus’s life when Mary gave her consent to the marriage of humanity and divinity in her womb and conceived by the Holy Spirit.
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Later thinkers such as St. Thomas Aquinas would see Mary’s consent, ‘let it be done to me according to thy word’, as an acceptance of this recreation in Christ on behalf of the whole of humanity. We see in the first Joyful mystery, then, two examples of an important principle in Catholic theology realized in Jesus’s salvific Incarnation and Mary’s obedience and consent: human nature plays its part in the work of salvation, but at the same time the total power of effecting that salvation comes from God.