The theme of the speech “Remarks” by President Obama is bravery, which is conveyed through diction. For instance, in the quote, “He used decades in prison to sharpen his arguments,” as the American government put Mandela in prison because he shared his own belief and ideas. This reveals that the use of diction in “sharpen his argument” conveys Mandela’s bravery because the word “sharpen” shows Mandala’s persistence even though the government and people judged him. He was still brave enough to spread his ideas and knowledge with the world by making a clearer and polished argument. For example, the quote “but also to spread his thirst for knowledge to others in the movement,” Mandela continued to spread his ideas no matter who stopped him. This
