There are few things as toxic as a bad metaphor. You can't think without metaphors.
“I did not think that I was angry, but clearly anger was reflected in my writing. I did not think that I had been affected emotionally, but it was clear from my writing that I was still very emotional about the trial some six months after it ended.”
“We assume that everything's becoming more efficient, and in an immediate sense that's true; our lives are better in many ways. But that improvement has been gained through a massively inefficient use of natural resources.”