As you look forward to the day of God and speed its coming. That day will bring about the destruction of the heavens by fire, and the elements will melt in the heat.
NIV
While you wait and earnestly long for (expect and hasten) the coming of the day of God by reason of which the flaming heavens will be dissolved, and the [material] elements [of the universe] will flare and melt with fire? [Isa. 34:4.]AMP
Looking for and hasting unto the coming of the day of God, wherein the heavens being on fire shall be dissolved, and the elements shall melt with fervent heat?
KJV
I want you to recall the words spoken in the past by the holy prophets and the command given by our Lord and Savior through your apostles.
NIV
That you should recall the predictions of the holy (consecrated, dedicated) prophets and the commandment of the Lord and Savior [given] through your apostles (His special messengers).
AMP
That ye may be mindful of the words which were spoken before by the holy prophets, and of the commandment of us the apostles of the Lord and Saviour:
KJV
Since everything will be destroyed in this way, what kind of people ought you to be? You ought to live holy and godly lives
NIV
Since all these things are thus in the process of being dissolved, what kind of person ought [each of] you to be [in the meanwhile] in consecrated and holy behavior and devout and godly qualities
AMP
Seeing then that all these things shall be dissolved, what manner of persons ought ye to be in all holy conversation and godliness,
KJV
But they deliberately forget that long ago by God's word the heavens came into being and the earth was formed out of water and by water.
NIV
For they willfully overlook and forget this [fact], that the heavens [came into] existence long ago by the word of God, and the earth also which was formed out of water and by means of water
AMP
For this they willingly are ignorant of, that by the word of God the heavens were of old, and the earth standing out of the water and in the water:
KJV
Therefore, dear friends, since you have been forewarned, be on your guard so that you may not be carried away by the error of the lawless and fall from your secure position.
NIV
Let me warn you therefore, beloved, that knowing these things beforehand, you should be on your guard, lest you be carried away by the error of lawless and wicked [persons and] fall from your own [present] firm condition [your own steadfastness of mind].
AMP
Ye therefore, beloved, seeing ye know these things before, beware lest ye also, being led away with the error of the wicked, fall from your own stedfastness.
KJV
So then, dear friends, since you are looking forward to this, make every effort to be found spotless, blameless and at peace with him.
NIV
So, beloved, since you are expecting these things, be eager to be found by Him [at His coming] without spot or blemish and at peace [in serene confidence, free from fears and agitating passions and moral conflicts].
AMP
Wherefore, beloved, seeing that ye look for such things, be diligent that ye may be found of him in peace, without spot, and blameless.
KJV
