How important is it for people to know and respond to the Gospel?

One person explained it to me like this: 1. Christians don’t need to hear it explained or expounded upon on Sunday morning. Most people who show up to church on any given Sunday already know it. 2. And when it comes to non-Christians, other faiths have revelations about God too; Christianity doesn’t have a monopoly on truth. 3. It is narrow-minded, judgmental, and arrogant to think that people must become a Christian to be saved. Jesus is surely more gracious than that. 4. People in other religions (Buddhist, Muslim, Hindu, etc.) may be following Christ through their religion without knowing it is Him they are following. If so, they don’t need to become Christians. 5. Rather than teaching young people that Jesus is the only way to the Father, you should allow them to determine these types of things on their own. It is not our place to say who is or isn’t going to heaven. 6. In light of this, I would not be overly concerned with telling people that Jesus is the only way. . I have also been told: 1. I am the way, the truth, and the life. No one comes to the Father, except through me. 2. Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. But small is the gate and narrow the road that leads to life, and only a few find it. 3. There is no one righteous, not even one; there is no one who understands, no one who seeks God.  All have turned away, they...