— Decision Notes —

A small library of working ideas.

Notes are catalogued by theme rather than date. Each shelf collects the pieces that examine one habit of thought from several sides.

Math

“Risk is quantified uncertainty. The moment you can put a number on what you don't know, you can start working with it.”

Business

“From the outside a business isn't a black box. It's a stack of functions, and telling the essential ones from the leftovers is most of the work.”

“Value isn't a property of the object. It's a relationship between a thing and someone with the time, skill, and desire to do something with it.”

Systems

“Numeric models know what's statistically likely. Concept models know what a situation means. The money is in the seam between them.”