While the idea of moral relativity exists independently of (and substantially predates) the scientific [[theory of relativity]], moral relativists seized on the theory of relativity to legitimize their views. Historians such as Paul Johnson wrote about how the theory of relativity caused a sea change, justified or not, in 20th century thought. | While the idea of moral relativity exists independently of (and substantially predates) the scientific [[theory of relativity]], moral relativists seized on the theory of relativity to legitimize their views. Historians such as Paul Johnson wrote about how the theory of relativity caused a sea change, justified or not, in 20th century thought. |