"...Luiz Gama was keen to demonstrate, through his example, the fallacy of the pseudoscientific beliefs in vogue in a slaveholding society convinced of the intellectual incapacity and moral inferiority of Africans and their descendants, the basis of the racist ideology that still persists among us.”"
January 1, 1970
https://en.wikiquote.org/wiki/Lu%C3%ADs_Gama