John 14:6In the previous post, we looked at why the general belief most people have about getting to heaven is wrong. We so often think that all people, or at least all "good" people will get to heaven. The truth is, no one is good - we all stuff up. That's why Jesus is the only way to heaven. Because he is both God and man, he is the only one who could pay for our sins and make us right with God. Jesus is the only way.
Jesus answered, "I am the way and the truth and the life. No one comes to the Father except through me.
Not only is Jesus the only way to God, he is also the truth. Our world is obsessed with relative truth: "You believe what you want to, I'll believe what I want too", "Everyone's right (well, everyone besides Christians that is...)".
The fact is, Jesus is the only truth. He is the only one who can truly save. Therefore all other methods of getting to heaven, all other teachings about different "ways" to heaven, are false. They're lies. Jesus is the true way to God.
Jesus is the life. He is the only one who can give us life. In Romans 6 we learn that because we all sin, we are "dead in sin". We deserve death (and hell eternally), and we are dead in our relationship with God.
Through Jesus there is life. He takes our sin if we put our faith in him, and he makes us alive with him. Romans 6 continues by telling us that we, when we became christians, died with Christ and rose to life with him. We died to sin, and we rose again. We are New creations (2 Corinthians 5:17). Through Jesus we are forgiven, the wages of sin are taken away and we are granted God's grace - eternal life with Him in heaven after we die.
Jesus truly is the life.
The Only way to God
Another thought on this is that heaven is where we will be with God, enjoying his presence forever. The whole sentiment that all roads lead to heaven is based on the idea that heaven will be a great place to be. That's absolutely true, but it'll be great because we will be with God eternally. Therefore if people are living lives where they are rejecting God here, then in a sense they will get what they want (and deserve) when God judges - they will be separated from all the benefits of his character - his grace, mercy, love, and they will face his wrath, justice and purity for eternity.
The point of heaven is not to enjoy having whatever we want, it's to enjoy God and glorify him forever - and in heaven we will be transformed and made pure so that worshipping God does give us the perfect Joy. If you're living a life that rejects God, seeking only enjoyment from this life, how can you expect to enjoy him forever? You're not following Jesus who is the only way, the only truth and the only way to life.