Behold! Moses said to his family: “I perceive a fire…

What is the meaning of the Al-mighty’s saying: {Behold! Moses said to his family: “I perceive a fire; soon will I bring you from there some information or I will bring you a burning brand to light our fuel, that ye may warm yourselves.” * But when he came to the (Fire), a voice was heard: “Blessed are those in the Fire and those around: and Glory to Allah, the Lord of the Worlds!”.}