Man's Search for Meaning
Viktor E. Frankl
Meditations
Marcus Aurelius (emperor Of Rome)
The Great Mental Models: General Thinking Concepts
Shane Parrish & Rhiannon Beaubien
The Great Mental Models (1)
Η περιπέτεια της φιλοσοφίας: Η ζωή και η σκέψη των μεγάλων φιλοσόφων
Will Durant
Thinking in Systems: A Primer
Donella H. Meadows & Diana Wright