Let us pause a moment and consider what it will be like on the day of judgment for those who do not have Jesus as their mediator between themselves and God:  

You may think of yourself in relation to other people in our society today as a decent person, a morally upstanding person. But the problem with that thinking is, on the day of judgment, you won’t be compared to other people, you will be compared to a righteous, perfect, holy God. If you don’t have Jesus on your side as your mediator in the court of heaven on the day of judgment, you will find yourself alone standing before the great white throne in heaven and you will be contrasted and compared to a righteous and perfect and holy God, a God who is a consuming fire. And in His presence, in the presence of your Maker, you will realize how pitiful and sinful and painstakingly flawed you have been in your life because you will see yourself contrasted and compared with a holy and righteous and perfect God. When contrasted against God’s perfection and holiness and righteousness, your sins and faults and shortcomings will be unavoidable, agonizingly displayed and magnified in unbearable, glaringly high-definition detail when the gavel sounds at the great white throne in heaven and the books of judgment are opened and your life is examined and judged by your Maker, who is a consuming, devouring fire.

Consider the Hebrew prophet Isaiah who, undoubtedly, was a righteous, pious man. But when Isaiah saw God in heaven,  he immediately became aware of his unrighteousness and he became undone. Before God, no one is righteous.  Some people think that at the end of their lives, if the good acts throughout their lives outweigh the bad acts, they will end up in heaven. The problem with that thinking is this: all our good or righteous acts are but filthy rags to a Holy God!  

“But we are all as an unclean thing, and all our righteousnesses are as filthy rags;”

---Isaiah 64:6

So on the day of judgment, there you will be standing at the great white throne in heaven before your Maker without an atoning sacrifice for your sins. And when you are confronted with the more than overwhelming situation of having the books of judgment opened and judgment commencing before Almighty God, your Maker, a consuming, devouring fire, an eternally raging inferno, all strength will leave your body. You will drop to the ground, trembling in fear before your Maker and His fierce wrath. You will be paralyzed in fear, unable to utter a sound in your defense as your life plays out in the heavenly court of judgment. It will just be you alone at the great white throne in heaven before your Maker, not you and your religion, not you and your philosophy, but just you and a perfect, righteous, holy God. And you will have to give an account of every idle word you have ever spoken in your life. Every thought and every motive in your life will be examined by God. No stone will be left unturned. And when your whole life is played out before you in the court of heaven contrasted against a righteous and perfect and holy God, you will know just how pitiful and sinful you have been and any good you might have done is but filthy rags before the consuming fire which is our Maker. And the angels of the LORD will search for your name in the book of life and if they do not find it, you will be thrown into the lake of fire to burn for all eternity, day and night, night and day, forever and ever, without even one iota of relief from your torment, ever (REV 20:15).  

But here is the Good News of the Gospel message: all those who call on the name of Jesus on this side of the Second Coming, all those who belong to Jesus, will pass from judgment straight away into eternal life on the day of judgment. That is, while we who belong to Jesus will be judged for our rewards (or lack thereof), we will not however, be subject to the books of judgment at the great white throne on the day of judgment to see if our names are written in the book of life. Those who belong to Jesus will not come under the agonizingly uncomfortable, unbearable, all-knowing, all-seeing, searing witness of judgment at the great white throne before the all-seeing seven eyes of God ( ZECH 3:9, 4:10, REV 5:6). We will not have to watch our lives played out in the court of heaven and be made painfully aware of all our shortcomings and flaws. Instead, we will bypass the great white throne judgment and enter straight away into eternal life in the kingdom of God because our names are already written in the book of life, for all our sins have already been paid for, atoned for, by the precious blood of the Lamb of God who takes away the sins of the world! Hallelujah! Thank you Jesus! Because of the precious blood of the Lamb, we who believe have already made peace with our Father who art in heaven, who is a consuming fire. Our names are already written in the book of life and so we will not be subject to the books of judgment at the great white throne on the day of judgment. Because of the joy set before Him (joy that He will share with all those that belong to Him), Jesus bore the shame and punishment for the sins of all mankind and was faithful to the Father and went to the cross and so therefore, Jesus became a sacrifice acceptable to God for the sins of mankind.  No other name has been given under heaven that men might be saved. 

So hear thee the Good News of the Gospel message: basically, for all intents and purposes, when you accept Jesus Christ as your Savior and make Jesus the Lord of your life, the blood of Jesus is the sacrifice that washes away all your sins and the perfection and righteousness and holiness of Jesus Christ is imputed unto you who believe. When you initially accept Jesus into your heart, the slate is wiped clean and you are made new. And then in your journey to the holy mount of Zion, along the way, if you confess your sins to God, God will be faithful to cleanse you from all unrighteousness. If you say that you have no sin,  you deceive yourself and the truth is not in you.

When you become a new creation in Jesus, you must learn to put off the old man and put on the new man. You must deny your flesh and walk after the Spirit. When you do that—when you walk after the Spirit—you will be walking in the light, hanging onto Jesus. If you hang onto Jesus for your entire journey, if you endure all the way unto the end, maintaining your faith and hope in what Jesus will do for you when He returns, then when Jesus does return, the perfection and righteousness and holiness of Jesus Christ will be imputed unto you in your brand new, incorruptible, immortal body. And so therefore, on the day of judgment, you will be able to stand in the presence of God, who is a consuming fire, without being burned in the consuming fire. And you will dwell in the new Jerusalem and rule and reign with Jesus in the kingdom of God for all time to come.

The moral of the story is your religion or your lack of religion or your philosophy won’t do you one iota of good on the day of judgment. If you want to enter into fellowship with God, if you want to be able to stand in the presence of God on the day of judgment without being consumed in the devouring fire that is the fullness of God’s wrath, then do not proceed to judgment day without Jesus.