Intellectual suicide corresponds to the more or less conscious decision to switch off the brain and renounce rational thought in favor of attitudes dictated by superstitions, by established habits, by prejudices, by common places. The effects of irrational choices made with the brain switched off can be devastating for oneself and for the others. Examples range from conformism, to religious superstitions, to ideological fundamentalism, just to name a few possibilities. $0.99 on Kindle.