I would say with regard to critical thought, and to some degree with regard to productive thought, an indeterminate proportion of that is dependent o… - Jordan Peterson

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I would say with regard to critical thought, and to some degree with regard to productive thought, an indeterminate proportion of that is dependent on speech. I don't think it's unreasonable to point out that thought is internalized speech. And that the dialectical process that constitutes critical thinking is internalized speech. […] The quality of our thoughts is actually dependent on our ability to speak our minds.