He notes that decades of research have not supported the assertion that one of the races in the United States is biologically inferior in terms of innate intelligence.

He decried the Republicans' desire for "negro equality", his first public indication that he may have believed blacks were biologically inferior to whites.

During this era, there was a salient, overarching belief grounded in science that females were biologically inferior to men.

Although acknowledging blacks' competence with household chores, "[a] goodly number of Northerners agreed with Southerners that the black was a biologically inferior being and could not be trusted with important military responsibilities."

If humankind was just at one end of the continuum of animal life, it made sense to many people that criminals - who acted "beastly" and who lacked reasoned conscience - were biologically inferior beings.

He didn't much mind if the marriages of people of inferior stock fell apart: "Divorcees are on the whole biologically inferior to the happily married."

"The Yrythny conflict is based on the supposition that the Wanderers are biologically inferior to the Houseborn," Shar struggled to keep the excitement out of his voice.

Under this argument, the pro-slavery proponents believed that the African Americans were unable to take care of themselves because they were biologically inferior.

In the latter mode, for example, he rejected the labeling of entire races or social classes as biologically inferior, and argued for equal access to education, so that socially widespread genius might always surface.

Omvedt endorsed the stand taken by Dalit activists at the 2001 World Conference Against Racism that caste discrimination is similar to racism in regarding discriminated groups as "biologically inferior and socially dangerous".