Longer quotes are generally easiest, especially if you use an electronic aid like HAL. I like to provide something extra on Sunday. I have some in mind that are short, and interesting, but I am afraid they might be too challenging. I wish there was a way (other than length) to rate the difficulty of decryption.
A fun quote to solve. 24 letters were used in today’s puzzle.
The cryptos over at puzzlebaron.com are user-rated. It's a start.
Thank you for these. I so look forward to them