The first use of the phrase is matter-of-fact. In the second stanza, the statement is followed by a period, which shows resignation. However, at the end of the poem, Dunbar almost shouts the phrase defiantly. The mask seems to become something he wears proudly. Through this gradual emphasis on the phrase, Dunbar could be implying that African Americans used the "mask" to hide their suffering and gain a kind of victory against society.