The Programmer's Golden Rule
Description
The meme uses a screengrab from Disney's 'The Lion King,' showing Mufasa and Simba looking over the Pride Lands at sunrise. Below the image is a text-based joke. It starts with 'Programmer's son ask his father: Dad, why do the sun rise on east and set on the west?'. The father's reply is 'Father: It works? Don't touch it.'. This perfectly captures a core tenet of software development, especially when dealing with legacy systems: if a critical piece of functionality is working, you don't question it or try to refactor it for fear of breaking it in unpredictable ways. The joke highlights the pragmatic, risk-averse mindset developers adopt when faced with complex, poorly understood, or fragile code that is somehow, miraculously, still functioning in production
Comments
7Comment deleted
That's the same logic that keeps a 20-year-old Perl script running in production. No one knows how it works, but everyone knows the company goes bankrupt if it stops
Yes, the sun rising in the east predates version control, but unless your migration plan covers orbital mechanics, tide scheduling, and seven-billion circadian dependencies, it’s staying in prod
That's the same philosophy that kept our COBOL system running since 1987 - until someone tried to add timezone support and accidentally made the sun rise in Nebraska at 2 PM
This perfectly captures the existential dread of inheriting a 15-year-old monolithic codebase where the original architects have long since departed, documentation is a myth, and the system processes $10M in transactions daily. Sure, you could refactor that nested ternary operator spaghetti into clean, testable code - but when the last person who touched it triggered a three-day outage, 'it works, don't touch it' becomes less a guideline and more a survival instinct. Sometimes the most senior engineering decision is recognizing that understanding *why* something works is a luxury you can't afford when the alternative is explaining to the CEO why the entire platform is down
Sunrise is a 13.8B‑year production contract - file an RFC with a multi‑planet canary and rollback plan, otherwise the SRE default is freeze
Solar system's in prod 4.5B years with zero downtime - refactor at your peril
Sunrise in the east is the universe’s oldest backwards-compatible API - refactor it and you’ll break tides, calendars, and a billion cron jobs