---
id: 2026-04-08T13:53:59-0400
title: 2026-04-08 13:53:59
tags:
  - status/draft
daily: "[[2026-04-08]]"
date-created: 2026-04-08T13:53:59-04:00
---
# 2026-04-08 13:53:59

> [!quote] Hubbard et al[^1]
> An assumption is a statement
> we treat as true for the sake of argument,
> regardless of whether it is true.
> Assumptions are necessary
> if you have to use deterministic accounting methods
> with exact points as values.
> ==You rarely, if ever, know an exact point with certainty,==
> ==so any such value must be an assumption.==

[^1]: [[hubbard_2025_project-management#Conflating Uncertainty with Knowing Nothing]]
    (text decoration added)

Assumptions are frowned upon in [[construction-estimating]],
but they are only made necessary by the insistence on exact values.