Freire's tone is intellectual and radical. Freire comes to his work as a thinker, a person who values thought, and as a radical who believes in the necessity of change and transformation for the betterment of humanity. Freire's work is philosophical as well as practical, with the philosophical rationale behind his ideas often taking precedent over the practical applications. Freire uses terminology to describe his ideas and speaks in abstractions, making his writing dense and difficult to understand at times. He also goes back to important themes and ideas several times, reiterating them in different ways throughout his work.