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The article discusses research into how the human brain functions, focusing on examination of the processes of attention, working memory, logical and rational thought, learning, knowledge, creativity, and intelligence. Topics include the various specialized systems within the brain dedicated to each function, models used in cognitive neuroscience research and issues with current understanding of them, and exploration of the possible evolutionary and behavioral benefits of each process. Specific studies published in other journals are discussed.

The article focuses on imparting knowledge to student as the most important duty of teachers without biasing between black and white. It informs that knowledge is considered to be the foundation for high-level thinking when student develop skills to analyse a concept, evaluate a theory and solve problems. It also discusses the philosophical basis of knowledge that distinguish priori knowledge from posteriori knowledge.

The author points out that people's desire for knowledge needs to compel them to act. Topics discussed include knowledge enabling people to make informed decisions, the author's protests against Republicans in 2017 and her resolution in 2018 not to buy any clothing to protest the exploitation in sweatshops and the impact of synthetic wardrobes to the environment.