4 Bible Verses about First Death

And death and the underworld were cast into the lake of fire; this is the second death, the lake of fire.

Blessed and holy is he that hath part in the first resurrection; on these the second death hath no power, but they shall be priests of God and of Christ, and shall reign with him a thousand years.

And this I say, brethren, that flesh and blood cannot inherit the kingdom of God, nor doth corruption inherit incorruption. Behold, I tell you a mystery. We shall not all sleep; but we shall all be changed, in a moment, in the twinkling of an eye, at the last trump. For the trumpet will sound, and the dead will be raised incorruptible, and we shall be changed.read more.
For this corruptible must put on incorruption, and this mortal must put on immortality. So when this corruptible shall have put on incorruption, and this mortal shall have put on immortality, then will be brought to pass that which is written: "Death is swallowed up in victory." "Where, O death, is thy sting? Where, O death, is thy victory?"

But we would not have you ignorant, brethren, concerning those who are sleeping, that ye may not sorrow, as others do, who have no hope. For if we believe that Jesus died and rose again, then also will God, through Jesus, bring again with him those who have fallen asleep. For this we say to you in the word of the Lord, that we who are living, we who are left till the coming of the Lord, shall not anticipate those who have fallen asleep.read more.
For the Lord himself will descend from heaven with a loud summons, with the voice of an archangel, and with the trump of God, and the dead in Christ will rise first; then we who are living, we who are left, shall be caught up together with them in clouds, to meet the Lord in the air; and so shall we be ever with the Lord.