Based on RFC 1925. It’s almost verbatim - most of truths are common.
- It Has To Work.
- No matter how hard you push and no matter what the priority, you can’t increase the speed of light.
- (2a) (corollary). No matter how hard you try, you can’t make a baby in much less than 9 months. Trying to speed this up might make it slower, but it won’t make it happen any quicker.
- With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead.
- Some things in life can never be fully appreciated nor understood unless experienced firsthand. Some things in software development can never be fully understood by someone who neither builds an actual custom software product nor administers a such one.
- It is always possible to aglutenate multiple separate problems into a single complex interdependent solution. In most cases this is a bad idea.
- It is easier to move a problem around (for example, by moving the problem to a different part of the overall software architecture) than it is to solve it.
- (6a) (corollary). It is always possible to add another level of indirection.
- It is always something
- (7a) (corollary). Good, Fast, Cheap: Pick any two (you can’t have all three).
- It is more complicated than you think.
- For all resources, whatever it is, you need more.
- (9a) (corollary) Every software development project always takes longer to do than it seems like it should.
- One size never fits all.
- Every old idea will be proposed again with a different name and a different presentation, regardless of whether it works.
- (11a) (corollary). See rule 6a.
- In software design, perfection has been reached not when there is nothing left to add, but when there is nothing left to take away.
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