Original: In 1951, Sturgeon coined what is now known as Sturgeon's Law: "Ninety percent of SF (science fiction) is crud, but then, ninety percent of everything is crud."
Simplified: In 1951, Sturgeon said something that is now known as Sturgeon's Law. He said, "Ninety percent of SF (science fiction) is crud, but then, ninety percent of everything is crud."