The best content on this blog:
Frustration-Driven Development – Towards DevOps, Lean, Clojure (2014) - one of the best things I have ever written.
Programming Like Kent Beck (2012) - a lot of inspiring lessons from Kent
The best team ever (2020) - experiences from the best team I have ever been in and thoughts about what makes (or breaks) a great team
Plus there is a plenty of opinion pieces I have written.