Explanations we develop to explain our experiences become fixed beliefs, even when they are shown to be based on wrong evidence. Developed beliefs persist in the face of contradictory evidence.
Example Usage of perseverance
Miissz_Fabiiola: RT @LoveThoughts: "Great works are performed not by strength but by perseverance." ~Samuel Johnson
theinfobabe: "perseverance is not a long race; it is many short races one after another." ~~Walter Elliott
StealingKitty: RT @LoveThoughts: "Great works are performed not by strength but by perseverance." ~Samuel Johnson (girl artist does this all the time)