Jesus said, “Be careful so you are not fooled. Many people will come in my name, saying, ‘I am the One’ and, ‘The time has come!’ But don’t follow them.
People who believe in God’s Son are not judged guilty. Those who do not believe have already been judged guilty, because they have not believed in God’s one and only Son.
So Jesus said to them, “When you lift up the Son of Man, you will know that I am he. You will know that these things I do are not by my own authority but that I say only what the Father has taught me.
So be careful and do not refuse to listen when God speaks. Others refused to listen to him when he warned them on earth, and they did not escape. So it will be worse for us if we refuse to listen to God who warns us from heaven.
So surely we also will be punished if we ignore this great salvation. The Lord himself first told about this salvation, and those who heard him testified it was true.