What does it mean when Fredrick Douglass says your denunciation of tyrants are pure hypocrisy

Douglass praises and respects the signers of the Declaration of Independence, people who put the interests of a country above their own. He concedes, however, that the main purpose of his speech is not to give praise and thanks to these men, for he says that the deeds of those patriots are well known.

where is the rest of the question. this isn't making sense. can you upload a picture of the question?