The art of architecture began with people digging holes in the ground, piling up stones, and making use of mountain caves as houses to dwell in. And the first idea which inspired them to do this was not how it could be made more comfortable for them, more convenient, more beautiful; instead of this their first idea was how it could be made in such a way that they could think more of God. It is with this idea that the art of architecture began. Cutting stones and carving wood, the people made symbols or works of art, pictures or figures that would remind them of spiritual perfection. This was the first thought of primitive man.