https://eugeneyan.com/writing/simplicity/
I'm a big fan of K.I.S.S. Simple can be hard to achieve, I've found. ...And particularly hard to keep. Creeping elegance is always ready to kill it.
Exception: politics.
I also like Derek Sivers idea of Version Infinity. Instead of envisioning Version 0.1 which would be enough to test the concept, people often end up trying to launch Version Infinity, the one with so many features it will just knock everyone's socks off. If only it could ever be specced, built and shipped