Therefore, we started upon a personal inventory. This was Step Four. A business which takes no regular inventory usually goes broke. Taking a commercial inventory is a fact-finding and a fact-facing process.
The Big Book establishes the Fourth Step Inventory as a rigorous truth-facing process modeled on commercial stock-taking, aimed at disclosing the self-centered flaws — chiefly resentment — that underlie spiritual and psychological disease.
, Alcoholics Anonymous, Fourth Edition The Official ‘Big, 2001thesis