A huge part of the book as about both career advice and about a policy advice. There's something i call the barbell and the black swan, where i shows that aportfolio that has 90% treasury bills and 10% extremely risky securities is more robust than a regular portfolio. If you want a company, corporation, should havea certain montf, if this energy in in arecon things, makes money,. But should have dual strategy, very safe and then very speculative - just like monogamous birds.