Entering God’s Kingdom

Luke 13:18–30,
[18] He said therefore, "What is the kingdom of God like?
And to what shall I compare it? [19] It is like a grain of mustard
seed that a man took and sowed in his garden, and it grew and
became a tree, and the birds of the air made nests in its
branches."
[20] And again he said, "To what shall I compare the
kingdom of God? [21] It is like leaven that a woman took and
hid in three measures of flour, until it was all leavened."
[22] He went on his way through towns and villages,
teaching and journeying toward Jerusalem. [23] And someone
said to him, "Lord, will those who are saved be few?" And he
said to them, [24] "Strive to enter through the narrow door. For
many, I tell you, will seek to enter and will not be able. [25]
When once the master of the house has risen and shut the door,
and you begin to stand outside and to knock at the door, saying,
'Lord, open to us,' then he will answer you, 'I do not know where
you come from.' [26] Then you will begin to say, 'We ate and
drank in your presence, and you taught in our streets.' [27] But
he will say, 'I tell you, I do not know where you come from.
Depart from me, all you workers of evil!' [28] In that place there
will be weeping and gnashing of teeth, when you see Abraham
and Isaac and Jacob and all the prophets in the kingdom of God
but you yourselves cast out. [29] And people will come from east
and west, and from north and south, and recline at table in the
kingdom of God. [30] And behold, some are last who will be
first, and some are first who will be last." (ESV)