What Makes a Password Good?

Pass phrases are good, since (if backed by the same amount of entropy) they're easier to remember than passwords.

But for $DEITY's sake, don't use sentences. Natural human language has very, very poor entropy – especially since people gravitate towards catch phrases, song lyrics and the like, which can be (and have been[1]) very easily guessed.

That's why I put in diceware as fallback recommendation – while dice aren't perfect, they're a very decent source of entropy.

[1] https://www.leakedsource.com/i/lastfmlong.txt