Is salvation lost?

First of all, people who apparently "lost their faith" never
They were really converted. They were "enlightened" and received some
benefits of the Holy Spirit, especially fellowship with believers and
the means of grace found in the church: prayer, the Word, and the
sacraments They said they were believers and they seemed really converted, pro
They were never born again. This explains the passage in Hebrews.
Second, some people are really converted, but they
they move away from the Lord for a time, and then they return.

Other people are confused about important doctrines. This
it was the case of the Galatians in the passage above. Some false teachers had
made fall into the trap of legalism. In that sense they had "fallen from grace".
Finally, the fact that salvation is not lost does not mean that the
believer can simply be passive and rest in the safety of his
salvation. He must persevere. He must continue to trust in the grace of God. Yes
someone does not care about fulfilling God's will and following his ways, it is
a sign that he was never converted. This explains the passages that warn against
fall, like 1 Corinthians 10.12.
In the process of conversion there is a mysterious relationship between the
sovereignty of God and the will of man. Everything depends on God, but the
Man also participates in the process with his own decision. God chooses
who will be saved, from before the creation of the world. But the man who wants
Being saved does not have to find out if he has been chosen or not. Simply believe in
Jesus, and after doing so, realizes that everything had been predestined by
God.

It's like any decision we make. Although we know that God It controls everything, we are not passive. Think again of the pencil illustration:
Before dropping it, I'm not analyzing, wondering if God has
predestined to fall. I just make the decision and plop! After
Doing so, I can reflect on the fact that God had planned it.
 God has predestined everything, but only He knows what His Plan is. We have to
live according to His revealed will, and not according to His secret plan.