Our salvation is based on the unshakeable foundation of eternal mercy and on the unchanging faithfulness of God.
God desires all people to be saved.
So whoever is saved is only saved because of the free grace of God.
God desires all men to be saved and to come to the knowledge of the truth. (1 Timothy 2:4)
My sheep hear My voice, and I know them, and they follow Me. And I give them eternal life, and they shall never perish; neither shall anyone snatch them out of My hand. My Father, who has given them to Me, is greater than all; and no one is able to snatch them out of My Father’s hand. (John 10:27-29)