6 Bible Verses about First Death

Death and the grave were hurled into the lake of fire. This is the second death.

Blessed and holy is he who has part in the first resurrection. The second death has no power over them. They shall be priests of God and of Christ, and shall rule as kings with him for the thousand years.

Now this I say, brothers, that flesh and blood cannot inherit the kingdom of God. Corruption may not inherit incorruption. Behold, I show you a secret. We shall not all sleep, but we shall all be changed, In a moment, in the twinkling of an eye, at the last reverberation of the trumpet: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.read more.
This corruptible must put on incorruption, and this mortal must put on immortality. When this corruptible shall be clothed with (Greek: enduo: dressed, put on) incorruption, and this mortal shall be clothed with immortality, then the saying will come true: Death is swallowed up in victory. O death, where is your sting (power to hurt)? O grave, where is your victory?

I do not want you to be ignorant brothers, concerning those who are asleep (in death). You do not need to sorrow like others who have no hope. If we believe that Jesus died and rose again, God will bring with him those who sleep in Jesus. We tell you this by God's Word, that we who are alive and remain unto the coming of the Lord shall not precede those who are asleep.read more.
For the Lord will descend from heaven with a shout, with the voice of the archangel, and with the trumpet of God: and the dead in Christ will rise first. We that are alive and remain will be caught up together with them in the clouds to meet the Lord in the air; and so will we ever be with the Lord.

But you must not eat from the tree of the knowledge of good and evil. When you eat of it you will surely die.

You will not die, the serpent said to the woman.