Rock or Sand

Is your house built on sand or rock?  Christ tells us in Matthew 7:24, that everyone who hears..and acts, can be compared to a man who builds his house on the rock.  However in verse 26, He compares those who hear and do not act, to a man who builds his house on sand.  One experiences stability and strength, while the other destruction as "great is the fall (Matt. 7:27)". The key to stability in our walk as Christians is in our action according to the Word of God.  ...