Friday Finds 22

The essence of [Stoic] philosophy is that we should live so that our happiness depends as little as possible on external causes. – Epictetus

Great interview with Elon Musk.

An interesting compilation of interviews with controversial entrepreneurs, Elizabeth Holmes, Martin Shkreli, Travis Kalanick, and Adam Neumann.

Good overview of some growth stock investing basics.  

Raoul Pal covers the current macro and crypto markets.

A good example of an essential business principle: cannibalize yourself otherwise your competitors will.