<moonythedwarf> le//rn moon//moon is often named the following: moonythedwarf moonythehuman moonheart08 moony moon__ computing and luxon, making porthellos a real pain

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