Matthew 7:26-27

And every one who hears these my teachings and does not act upon them will be found to resemble a fool who builds his house upon sand.

Luke 6:49

But he who has heard and not practised is like a man who has built a house upon the soft soil without a foundation, against which the torrent bursts, and immediately it collapses, and terrible is the wreck and ruin of that house."

1 Corinthians 3:11-15

For no one can lay any other foundation in addition to that which is already laid, namely Jesus Christ.

Treasury of Scripture Knowledge

Summary

So will I break down the wall that ye have daubed with untempered morter, and bring it down to the ground, so that the foundation thereof shall be discovered, and it shall fall, and ye shall be consumed in the midst thereof: and ye shall know that I am the LORD.

Bible References

The foundation

Matthew 7:26
And every one who hears these my teachings and does not act upon them will be found to resemble a fool who builds his house upon sand.
Luke 6:49
But he who has heard and not practised is like a man who has built a house upon the soft soil without a foundation, against which the torrent bursts, and immediately it collapses, and terrible is the wreck and ruin of that house."
1 Corinthians 3:11
For no one can lay any other foundation in addition to that which is already laid, namely Jesus Christ.