What's your true purpose in life, and how do you know? The girls ponder the Japanese concept of "ikigai", their own obituaries, and what they might want to someday give TED talks on.
References:
Diamond: Guns, Germs, and Steel; Ch. 14. From Egalitarianism to Kleptocracy
The Japanese Concept ‘Ikigai’ is a Formula for Happiness and Meaning
