Read this and had no idea what it meant. Admittedly it was in a very specific thread I needn't read...but
In this case I think the lesson may have been you can be as Agile as you want, but if you start building and your platform isn't as scalable as you thought, or aspects aren't under your control (dependency hell), you get runaway technical debt.
Maybe something like '[When building a web application] it's fine to build a house on shifting sands, if your foundations are deep enough -- or it's a mobile home'.
Read this and had no idea what it meant. Admittedly it was in a very specific thread I needn't read...but
Ironically it came from the user right there^^