620) If a home is built on a faulty foundation, who would be interested in buying it? Yet, sometimes it’s hard to evaluate because it’s often hidden underneath the rest of the house. In Matthew 7:24-27, Jesus said that the wise build on a rock foundation and the unwise on the one made of sand. Just as is true with a house, sooner or later it will be obvious if our actions and words if the foundation is faulty and by that time, much damage has already been done. Foundations matter.