"Nothing is so unworthy of a civilised nation as allowing itself to be governed without opposition by an irresponsible…"

"Solitude is out of fashion. Our companies, our schools and our culture are in thrall to an idea I call the New Groupt…"

"In the long run my observations have convinced me that some men, reasoning preposterously, first establish some concl…"

"I use the term groupthink as a quick and easy way to refer to the mode of thinking that persons engage in when concur…"

"The main principle of groupthink, which I offer in the spirit of Parkinson's Law, is this: The more amiability and es…"

"All mass movements, as one might expect, slip with the greatest ease down an inclined plane represented by large numb…"

"Immaturity is the incapacity to use one's intelligence without the guidance of another. Such immaturity is self-cause…"

"Each individual possesses a conscience which to a greater or lesser degree serves to restrain the unimpeded flow of i…"

"Once, I remember, I ran across the case of a boy who had been sentenced to prison, a poor, scared little brat, who ha…"

"The common characteristics of "groupthink" include: an illusion of invulnerability; an unquestioned belief in the gro…"