Mysteries of Jesus: They will be like the angels and will be God's children, because they have been raised to life. Luke 20:36

The Gospel of Luke relates that after his triumphant entry into the holy city of Jerusalem, the Lord Jesus was tested by his enemies several times, such as when spies were sent to trap Jesus by asking him if it was permitted to pay taxes to Caesar; but Jesus, through the spiritual gift of counsel, managed with intelligence to escape the trap.
But after this, the divine master was tested again, and the Sadducees, who denied the resurrection, posed a problem to him. And the Sadducees asked him what would happen if a woman married and was widowed successively by seven brothers, what would happen after the resurrection, and which man the woman would be the wife of.
Having posed this problem, Jesus gave an answer intimately related to the spiritual gift of eternal life. Jesus explained that the nature of spiritual life is different from the nature of earthly life. Understanding spiritual life in the presence of God is understanding the mystery of eternal life. The gift of eternal life in the gospels is essentially a spiritual blessing of the life in the presence of the creator of all things in the afterlife, which God gives in advance in this earthly life. Eternal life is fundamentally the contemplative life, the meditation focused in the divine attributes of God, along with some other associated blessings such as happiness of heart, the happiness as a state of mind.
This is why Jesus, faced with the Sadducees' question, responded with these words of wisdom: "The people in this world get married. But in the future world no one who is worthy to rise from death will either marry or die. They will be like the angels and will be God's children, because they have been raised to life" Luke 20:34-36.
Eternal life, then, is that spiritual gift that makes the souls of men equal to those of angels. Jesus made it clear that those who are worthy of resurrection will have as their main activity the contemplation of God, and not activities related to material things. Eternal life is therefore one of the most important spiritual mysteries of the doctrine of the Kingdom of God.

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