It was "The Little Prince".
The message from that book stuck in my head for years and years.
"Grown-ups like figures"
Similar to the idea of kids and "grown-ups" a.k.a. adults is the TED Talk of Adora Svitak.
I watched this TEDTalk video during the TEDxDLSU event and I am adding it to my list of favorite Ted Talks.
This is one of the reasons why there is student-centered / learner-centered movement in education...