All persons are contained within a single individual, just as all time is in a moment, and the entire universe is in a grain of sand.
— Brian Herbert
The Bible talks about building houses on sand and rock, but says nothing about a brick house built on a blanket. — Nicole McKay
Our best built certainties are but sand-houses and subject to damage from any wind of doubt that blows — Mark Twain
The house that is built upon the sand will crumble at the first sign of a windstorm. — R.C. Sproul
Self-improvement without self-love is like building a house upon sand. You can build and build, but it will always sink. — Vironika Tugaleva
Come, for the House of Hope is built on sand: bring wine, for the fabric of life is as weak as the wind. — Hafez
A foolish man ... built his house upon the sand. — Matthew McConaughey
To build your house on the rock is to hear what Jesus says and obey. To be foolish and build your house on the sand is to hear and ignore. — Kevin DeYoung
