A church may have the bones of organization and sound theology. It may have the body of a large membership. But, if the breath of the Holy Spirit is not on it and in it, then it is only Sardis, having a name to be alive but dead.
— Vance Havner
BHAGs (Big Hairy Audacious Goals). When you blend these two together - Preserve the Core AND Stimulate Progress - you get a magical dialectic that keeps a company or organisation vibrant over time