2 Bible Verses about Narrowness

"You should enter [God's kingdom] by means of the narrow door, for the wide door and the broad road are the ones that lead to [spiritual and physical] destruction. And many people will enter [that wide door]. But the door that is narrow and the road that is restricted lead to [spiritual] life and [only] a few people will find them.

Then Jesus went through [various] towns and villages, teaching as He traveled on to Jerusalem. [Along the way] someone asked Him, "Lord, will [only] a few people be saved?" And He answered them, "You should try hard to enter [God's kingdom] by means of the narrow door, for I tell you, many people will try to enter it but will not be able to.read more.
Once the owner of the house gets up and closes the door, leaving you standing outside knocking on the door, [and] saying, 'Sir, [please] open [the door] for us.' and he answers you, 'I do not know you or where you came from,' then you will begin to say, 'We used to eat and drink with you, and you taught in our streets.' And He will say [i.e., the Lord is represented as saying this in the judgment. See Matt. 7:23; 8:11-12], 'I tell you, I do not know where you came from, [so] go away from me, all you people who have done sinful things.' [Then] there will be crying and excruciating pain, when you will see Abraham, Isaac and Jacob and all the prophets in the kingdom of God and [you will see] yourselves thrown outside. And people will come from the east and west and from the north and south to sit down in the kingdom of God. And certainly, those [who appear to be] last will be first [i.e., in importance and blessings], and those [who appear to be] first will [end up] being last."