In the episode, Tim Ferriss revisited his own book and highlighted the acknowledgement where he dedicates it to his parents for their guidance and support. He reflected on the personal significance of the dedication while rereading the work.
Episode: 647: Tim Ferriss - Chasing Your Curiosity, Interna...
Tim said he was rereading the book and mentioned the acknowledgement line he dedicated to his parents.
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I was rereading Tools of Titans and Tribe of Mentors and the last line in the acknowledgement section of Tools of Titans, you dedicate the book to your parents for guiding and consoling you through it all.