of all the principles of good writing.
“Be sure not to discuss your hero’s state of mind. Make it clear from his actions.”―
It’s a corollary of our old pal “Show don’t tell,” and 80% of what I read these days from young writers totally ignores it. Much of what I read from young writers in fact does nothing BUT discuss the hero’s state of mind. Chekhov had much to tell us besides what to do with the gun.