If Jesus and his apostles preached to their neighbors then why don't Christians follow his example and preach to their neighbors?

The word neighbors i believe refers to same descendants. So the Commandment thy shall not covet thy neighbor's house, wives, stuff ..... etc, refers to the their particular tribe.

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Christians should tell their neighbors about Christ! It is the great commission to do so. But I think today all people including Christians have become afraid of rejection and don't want to be labled as narrow minded or religious freeks, bible thumpers and so on. When Christians speak out on issues that plague us these days they are targeted as bigots, prejudiced and hypocrites. Its unpleasant and people don't want to make waves these days but that's exactly what we need and what we need to do.

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Well, in my brutal experiences Jesus has some unsuitable people to serve on his counsel. They are in fact preaching what they know and exactly what they are before the people. If Jesus is really intending to make a dent in the world with his teachings he must remove his entire staff and replace them with sincere and competent people. I believe Jesus fails to understand that he cannot provide a carbon copy or bandaid as a true remedy to his problems within his ministry.

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Jesus explains the difference in the true believers, which are the (salt of the earth), and the false believers, which you refer to as scum of the earth. The Parable of the Sower and the Parable of the wheat and the tares can be found in Matthew 13. Jesus gives answers to all of your reasons for not wanting to believe. No one wants to take the time and effort to read the Bible. It does require some knowledge. Maybe that is why. "My people perish for lack of knowledge."

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I believe they do.

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When Jesus was asked, "and who is my neighbor?" in Luke 10:29, He responded with the parable of the good Samaritan, the point of which is that anyone in need, even a "natural enemy," is our neighbor and cause for righteous response.

Concerned Christians don't "preach" to their neighbors because it isn't a natural form of communication between individuals. "Preaching" is done by "preachers" from behind "pulpits." If the neighbor wants to hear preaching, he can always attend a service with the Christian.

People talk to each other, and Christians share the gospel by talking to people about it in an appropriate way. This is what Paul teaches Christians about sharing the word in 2 Timothy 2:24-26 - And a servant of the Lord must not quarrel but be gentle to all, able to teach, patient, in humility correcting those who are in opposition, if God perhaps will grant them repentance, so that they may know the truth, and that they may come to their senses and escape the snare of the devil, having been taken captive by him to do his will. A mature Christian will kindly and humbly share the gospel with people they know through polite inquiry and sincere concern; not "preach" to them with bombast, threat or accusation. Exposure to the gospel should arouse one's curiosity (at the very least), not ruffle one's feathers.

Beyond talking to people, Christians believe they should live a life of good example, knowing that "actions speak louder than words." They show their approach to life through even the most casual encounters (they'll make you smile by spontaneously moving a misplaced shopping cart out of the spot you want in a grocery store parking lot), being true to Matthew 5:16 - Let your light so shine before men, that they may see your good works and glorify your Father in heaven.