What The Thinker Thinks, The Prover Proves

phrase from Prometheus Rising

see also Jim O'Shaughnessy: We humans are an interesting lot. We often conflate our opinions and beliefs as facts that are axiomatically true, and, when we fuse them with emotions, see them as extensions of our very identity and any disagreement by others as a personal attack on who we are as individuals.

cf Decision Rationalizing