- Correlation is not causation (???)
- No causation without manipulation. (Holland)
- All models are wrong, some are useful. (Box)
- Statistics is the science of uncertainty. (arguably Tukey)
- Statistics is the science of learning from experience, especially experience that arrives a little bit at a time. (Efron)
- Empirically observed covariation is a necessary but not sufficient condition for causality. (Tufte)
- Correlation is not causation but it sure is a hint. (Tufte)
- In a causal model, correlation implies causation (somewhere). (Paul F Christiano)
- Reality is the ultimate judge of any theory (???)
- The Folk Theorem of Statistical Computing: When you have computational problems, often there’s a problem with your model. (Gelman)