Daniel 12:9-10
He replied, "Go your way, Daniel, because the words are closed up and sealed until the time of the end. Many will be purified, made spotless and refined, but the wicked will continue to be wicked. None of the wicked will understand, but those who are wise will understand.
If you still keep obeying the sinful nature of the Devil in you, you will never understand the things of God. There will be many who will be cleansed of the sinful nature of the Devil, meaning; they will not be directed by it but by the divine nature of Christ that is pure, holy and righteous within them. They are wise because the Wisdom of God, who is Christ Himself will be formed in them. His divine nature would have been formed in them. These are the ones who will understand the things of God and take heed. You can tell them and keep on reminding everyone but the wicked ( those who stubbornly and rebelliously obey the sinful nature of the Devil in them) will not understand what you are warning them about. They will continue to be wicked. They would not be able to see at all, what you are trying to warn them about.
Matthew 24:37-39
As it was in the days of Noah, so it will be at the coming of the Son of Man. For in the days before the flood, people were eating and drinking, marrying and giving in marriage, up to the day Noah entered the ark; and they knew nothing about what would happen until the flood came and took them all away. That is how it will be at the coming of the Son of Man.
Matthew 24:37-39
As it was in the days of Noah, so it will be at the coming of the Son of Man. For in the days before the flood, people were eating and drinking, marrying and giving in marriage, up to the day Noah entered the ark; and they knew nothing about what would happen until the flood came and took them all away. That is how it will be at the coming of the Son of Man.