A large, illuminated cross stands erect on Table Rock, a rocky plateau overlooking my hometown. Several homes were built on neighboring land, but recently the owners have been forced to move out due to safety concerns. The homes have been shifting atop their foundations—nearly three inches every day—causing risk of major water pipes breaking, which would accelerate the sliding. Despite their close proximity to the firm bedrock of Table Rock, these homes aren’t secure.

Jesus compares those who hear and obey His words to those who build their homes on rock (Luke 6:47–48). These homes survive the storms. By contrast, He…