Horngren’s Observation: Among economists, the real world is often a special case.

Hubbard’s Law: Don’t take life too seriously; you won’t get out of it alive.

Hurewitz’s Memory Principle: The chance of forgetting something is directly proportional to…to… uh…

IBM Project Management Axiom: Need for project modifications increases proportionally to project completion.

Instruction Booklet Governing Principle: Instruction booklets are lost by the Goods Delivery Service. If not, they are listed in four languages: Japanese, Thai, Swahili, and Mongol.

Jenkinson’s Law: It won’t work.

Johnson-Laird’s Law: Toothache tends to start on Saturday night.