Bad things you can change are problems. Bad things you can’t change are circumstances. Solve the former, work around or adapt to the latter.

The others already said and linked good stuff, here’s a very brief summary of the most basic info on the Imperium.

Here’s a long but super interesting video on the case for when you get home, made by the guys who made “What pretending to be crazy looks like”, which popped up on everyone’s feed during the pandemic.