From Sussemilch of Sanctum Patria, Moon Guard (via the WoW forums):
Attumen taught us not to waste time.
Moroes taught us that everyone needs to be paying attention.
Maiden taught us that some strategies are better than others.
Opera taught us to expect the unexpected.
Nightbane taught us to look out for each other.
Curator taught us that there's a time for everything.
Aran taught us to never give up.
Illhoof taught us to think about who we bring along.
Netherspite taught us that sometimes you should just run away.
Chess reminded us to have fun.
Prince taught us that sometimes bad things happen to good people.