Bible Verses About Eternal Death: The necessary consequence of sin

But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.

For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.

Then when lust hath conceived, it bringeth forth sin: and sin, when it is finished, bringeth forth death.

Know ye not, that to whom ye yield yourselves servants to obey, his servants ye are to whom ye obey; whether of sin unto death, or of obedience unto righteousness?

Let him know, that he which converteth the sinner from the error of his way shall save a soul from death, and shall hide a multitude of sins.