I don't like the formulation: "A thought you should never have thought."
I'd prefer, "An idea you should have quickly rejected."
I suspect that many genuine innovations might first appear to be mistakes or unwarranted challenges to the prevailing wisdom. They should be thought. And they should be considered and criticized. But, we should be ready to reject them if they don't survive the criticism.
I don't like the formulation: "A thought you should never have thought."
I'd prefer, "An idea you should have quickly rejected."
I suspect that many genuine innovations might first appear to be mistakes or unwarranted challenges to the prevailing wisdom. They should be thought. And they should be considered and criticized. But, we should be ready to reject them if they don't survive the criticism.