My all time favorite quote which I like to use regularly when talking about Systems:
Systems that allow complexity to build up in the wrong places eventually force you to choose between usability and usefulness.
Josh talks about a few things such as atomic notes, where Zettelkasten came from, and a few other bits. Very easy and quick read.
Another excellent call out is:
When taking permanent notes, use your own words and never copy word for word, unless you’re capturing a quote.