Answer:
The quote means that the whites will never admit the issue of racism and discrimination that the blacks were treated with.
Explanation:
The given quote is spoken by Malcolm X, an African-American human rights activist, popular for his civil rights leadership. Amidst fighting for the rights and unity of the African-Americans, he was shot dead while giving a speech at the Audubon Ballroom in Washington Heights.
The given quote from the historical personality is a metaphorical expression of racism and the identity of Black nationalism. But at the same time, he propagated the idea of the blacks as being their own foe, and their need to be united if they were to achieve any civil rights for themselves. By suggesting that <em>"progress is healing the wound that the blow made"</em>, he is talking about the issue of racism that the whites had propagated, that the whites are superior to the blacks. His statement that<em> "they won't even admit the knife is there"</em> suggests that the whites won't admit racism is there, let alone accept the pain and discrimination they've been treated with. The knife here represents the racism, the prejudice against the blacks.
