Harder than you think, but here is an insightful view shared by Jeff Stump: https://future.com/building-trust-and-assessing-integrity-as-you-interview/
Building trust
Published
This blog is my attempt to record for my kids (and those that might be interested) the "first principle" lessons I've learned in life. I define "first principle" as those truths that remain regardless of situation, environment or timing. As I'm human, I will inevitably make mistakes in assessing and capturing these. That's the first first principle. ;-)
First princples 