<Jafet> le/rn nightstar//The Nightstars is an unscientific myth of a sky covered in faint flickering lights. Only hermits and superstitious farmers believe this.

#!/bin/sh
topic=$(echo "$1" | tr A-Z a-z)
[ -e "wisdom/$topic" ] || { echo "$1? ¯\(°_o)/¯"; exit 1; }
cat "wisdom/$topic"