"A great book." - Kevin Systrom
"A fantastic book." - Naval Ravikant
"This is the Durants. They were maybe the greatest historians of all time." - Ray Dalio
"It’s excellent." - Tim Ferriss
Short, sweet, useful - Mai Mislang
So much insight in such a short book. I'm sure I'll come back to this many times over. - Bruno Bergher
My kind of book, succinct and powerful. - Shrivas Nayar
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