Anger is the most impotent of passions. It effects nothing it goes about, and hurts the one who is possessed by it more than the one against whom it is directed.
Arithmetic is where the answer is right and everything is nice and you can look out of the window and see the blue sky - or the answer is wrong and you have to start over and try again and see how it comes out this time.
Here is the difference between Dante, Milton, and me. They wrote about hell and never saw the place. I wrote about Chicago after looking the town over for years and years.
I had taken a course in Ethics. I read a thick textbook, heard the class discussions and came out of it saying I hadn't learned a thing I didn't know before about morals and what is right or wrong in human conduct.