Find is one of those tools I use seldom enough that I completely forget how to use it, but is also complex enough that when I do need it I have to spend way too

Find is one of those tools I use seldom enough that I completely forget how to use it, but is also complex enough that when I do need it I have to spend way too long studying the man page to figure out the right incantations. In almost all cases I just want something simple, like finding a file somewhere on disk with based on a partial filename. Now there are probably some nice, more modern tools made for this, but usually when I need it it's on some system where they're not present and I can't just install random stuff from the interwebs. So find it is...