There is a statement in the OT, which Christ referred to, in terms of stones, even in the metaphor of David and Goliath.
The principles of judgment, i.e., the foundation of Grammar Systems is the Universal Binary. Plato even cited that it originated with the Egyptians, the same as in the Bible.
All a mind can do is process information, thus it is either functional or not.
Psychology is commensurate with the principles of Grammar functionally resident in the mind as a Grammar Matrix, 2 x 2 equals four, the same product stressed in the metaphors of the Bible. Flat earthers are so weak minded they think the metaphor refers to the physical earth. They all refer to our use of information management for survival rooted in Common Grammar, Arithmetic, Algebra and Geometry, the four methods binary recursion gives us the power to do our own work.
If one cannot do their own work, as a functional mind, well, then they cannot be employed for doing their own work.
Some people question, what does the phrase I am. mean, they did not relate it to the later expression I am the only rock.