We are sometimes irrational because we are stupid (unintelligent) and we are sometimes irrational because we are ignorant (lack knowledge), but we are often irrational because we are lazy (lack intellectual curiosity) or arrogant. (…)
To paraphrase Keith Stanovich, when we allow our dispositions and intellectual laziness to keep us from deeper thinking, when our decisions are determined, not by what we want, but by how the choices are presented,.
Worth reading the entire article.
Along with making you more rational, I’ve found active cognition to make you more mindful too.