A batch of the best highlights from what Tristan's read, .
It’s not our job to test the third-party code, but it may be in our best interest to write tests for the third-party code we use.
Clean Code
Robert C. Martin
Defined this way, continuous delivery is the prerequisite for continuous deployment just as continuous integration is a prerequisite for continuous delivery.
The DevOps Handbook
Gene Kim, Jez Humble, Patrick Debois, John Willis, and Nicole Forsgren
I often find writing a replacement component to be quicker than updating an old one, and the result to be easier to use and understand. Where applicable, I try to replace instead of rehabilitate.