Niklas Luhmann was this cool German dude who was into sociology and philosophy of social science. He was really big on systems theory and wrote like crazy — over 70 books and nearly 400 scholarly articles on all sorts of topics. Impressive, huh?
So, the trick he used to be super productive in writing was something called Zettelkasten or slip-box — a wooden box with cards/slips.
In recent years, Zettelkasten has gained widespread popularity and application, especially after the publication of “How to Take Smart Notes” by Ahrens Sönke. This method has been…