Update #3 (Thursday, April 18, 2024 at 12:45 UTC): The SPLC has a profile of Richard Lynn with more information, including selected quotes such as this one:
I think the only solution lies in the breakup of the United States. Blacks and Hispanics are concentrated in the Southwest, the Southeast and the East, but the Northwest and the far Northeast, Maine, Vermont and upstate New York have a large predominance of whites. I believe these predominantly white states should declare independence and secede from the Union. They would then enforce strict border controls and provide minimum welfare, which would be limited to citizens. If this were done, white civilisation would survive within this handful of states.
Update #3 (Thursday, April 18, 2024 at 12:45 UTC): The SPLC has a profile of Richard Lynn with more information, including selected quotes such as this one: