“But he who hears,

And does not act,

Is like a man

Who built a house

On the ground

Without a foundation.

When the river burst

Against it,

Immediately,

It fell.

Great was the ruin

Of that house.”

ὁ δὲ ἀκούσας καὶ μὴ ποιήσας ὅμοιός ἐστιν ἀνθρώπῳ οἰκοδομήσαντι οἰκίαν ἐπὶ τὴν γῆν χωρὶς θεμελίου, ᾗ προσέρηξεν ὁ ποταμός, καὶ εὐθὺς συνέπεσεν, καὶ ἐγένετο τὸ ῥῆγμα τῆς οἰκίας ἐκείνης μέγα.

Luke indicated that Jesus said that the one who heard (ὁ δὲ ἀκούσας) the word of Jesus, but did not act on it (καὶ μὴ ποιήσας), was like a man (ὅμοιός ἐστιν ἀνθρώπῳ) who built a house (οἰκοδομήσαντι οἰκίαν) on ground (ἐπὶ τὴν γῆν) without a foundation (χωρὶς θεμελίου).  When the river streams burst against it (ᾗ προσέρηξεν ὁ ποταμός), immediately (καὶ εὐθὺς), it fell (συνέπεσεν).  Great was the ruin of that house (καὶ ἐγένετο τὸ ῥῆγμα τῆς οἰκίας ἐκείνης μέγα).  This is just like Matthew, chapter 7:26-27, which might indicate a Q source.  The opposite of the preceding verses was present here.  Everyone who heard these words of Jesus, but did nothing about them, as opposed to those who acted upon them, were like a foolish or stupid person.  These foolish people built a house on a sand foundation, sandy ground, or no foundation, not a rock foundation.  It is interesting to note that these must have been former followers of Jesus, since they had heard his words, not people who had never heard about Jesus, indicating a rift among the followers of Jesus.  The rains fell and the floods came.  The winds would blow and beat against this house also.  However, there was a different result here.  This house fell, because it was built on a weak foundation.  The rock foundation was those who had followed the words of Jesus.  The sand foundation was those who heard the words of Jesus but did not follow it.  Their house would suffer not just a fall, but a great fall.  It was not good enough to hear the words of Jesus, you had to act on them.  Is your house built on a weak foundation with no follow through on the words of Jesus?