Try listening to this as you read this chapter. It’s Yoake Mae (Before Dawn) by DOES.

Ok go check this out. Really good chapter.

If you’re interested in Hagakure and it’s author Yamamoto Tsunetomo, there’s a bunch of good quotes/summaries here:
https://en.wikiquote.org/wiki/Yamamoto_Tsunetomo

Gintama 630
Mega (Volume 70)
Online Reader (Cubari)