Matthew 7:26-27

And anyone who listens to my words and does not practice their teaching, will be like an imprudent man who built his house on sand.

Luke 6:49

But the man who merely hears them and does not practice them is like a man who built a house upon the ground without a foundation. The torrent burst upon it, and at once it collapsed, and the wreck of that house was complete."

1 Corinthians 3:11-15

for no one can lay any other foundation than the one that is laid, that is, Jesus Christ Himself.

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 anyone who listens to my words and does not practice their teaching, will be like an imprudent man who built his house on sand.
Luke 6:49
But the man who merely hears them and does not practice them is like a man who built a house upon the ground without a foundation. The torrent burst upon it, and at once it collapsed, and the wreck of that house was complete."
1 Corinthians 3:11
for no one can lay any other foundation than the one that is laid, that is, Jesus Christ Himself.