The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.

Justice Sotomayor Claims Not to Understand the Distinction Between State and Federal Powers
“I’m not sure I understand the distinction why the states would have the power, but the federal government wouldn’t,” Supreme Court Justice Sonia Sotomayor.
Liberal Supreme Court justices spread COVID-19 misinformation
Supreme Court Fixes Transcript After Justices Come Under Fire For Covid Misinformation