Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

One teacher spent 45 minutes on slide after slide of equations that could be summed up with, “If you build a crappy product, people won’t buy it.” No one needed to prove that to me, let alone drown me in calculus to do so.

Blergh. So do I.