there could be different beauties in writing and in reading (case of Mike’s APL) - easier to read vs. easier to type
luigi pareyson: aesthetics and interpretation https://www.fabula.org/actualites/luigi-pareyson-esthetique-theorie-de-la-formativite_21236.php
We ended up choosing double quotes based on the fact that JSON already made that decision for us: it requires strings be double-quoted. source
My personal style guide is to copy Erlang: double quotes for text, single quotes for programmatic strings (atoms/symbols). The single quote is slightly more convenient to type on a qwerty keyboard, but text regularly contains single quotes (apostrophes). It also provides a semantic visual shortcut.
I like the concept of semantic visual shortcut