- Stephen King
- Amir Levine
- Jon Favreau
- Hera Lind
- Giulia Enders
- Marc Brackett Ph.D.
- Joshua Alton
- Bessel van der Kolk
- Simone de Beauvoir
- Joe Dispenza
- Anne Frank
- Gabor Maté
- Gilbert Keith Chesterton
- Johannes Riethmann
- Tim Urban
- Jordan B. Peterson
- Michael Greger
- Michèle Ouellette
- Philippa Perry
- Bret Easton Ellis
- Juli Zeh
- John Carreyrou
- Noam Chomsky
- Nathan Adam
- Sigmund Freud
- Mark Wolynn
- Ryan Holiday
- Jan Becker
- Mark Manson
- Brianna Wiest
- Hape Kerkeling
- Reinhold Messner
- Yuval Noah Harari
- Stefanie Stahl
- Stefanie Stahl
- Roxie Nafousi
- Tony Robbins
- Robin Sharma
- Frédéric Lenoir
- Ben Macintyre
- Matthew Walker
- Том Батлер-Боудон
- Stéphane Allix
- Florian Schroeder
- David Graeber
- Frank Schätzing
- Richard David Precht
- Sun Tzu
- Nicola Schmidt
- Gerald Hüther
- Martin Meadows
- Peter Wohlleben
- Michael Wolffsohn
- Christophe André
- Matthew Perry
- Brené Brown
- Stephanie Mende
- Remo H. Largo
- Ewald Frie
- Kurt Tepperwein
- Robert Greene
- Bob Woodward
- Marc Aurèle
- James Clear
- Bill Gates
- Werner Eberwein
- Arthur Schopenhauer
- Barack Obama
- Papst Franziskus
- Daniel Kahneman
- David Deida
- Nassim Nicholas Taleb
- Friedrich Nietzsche
- Борис Литвак
- Eckart von Hirschhausen
- Frank Thelen
- Agatha Christie
- Dr. Alfred Pöltel
- Bill Bryson
- Gabrielle Bernstein
- Tennessee Williams
- Rolf Dobelli
- Vanessa Blumhagen
- Jane Austen
- Epictetus
- Ariane Hébert
- Ralf Schmitz
- Kurt Krömer
- Lise Bourbeau
- Ingo Froböse
- Rüdiger Maas
- Jesper Juul
- Robert Sasse
- Michel Onfray
- Esther Perel
- Catherine Belton
- Henry David Thoreau
- Jay Shetty
- Ashlee Vance
- Gary Chapman