If we all make systematic mistakes in our decisions, then why not develop new strategies, tools, and methods to help us make better decisions and improve our overall well-being? That's exactly the meaning of free lunches- the idea that there are tools, methods, and policies that can help all of us make better decisions and as a consequence achieve what we desire-pg. 241

In life we encounter many people who, in some way or another, try to tattoo our faces.

None of us always make the best financial decisions.

With everything you do, in fact, you should train yourself to question your repeated behaviors.

A very simple bad decision is to get into debt. And that is very expensive.

People are irrational - and predictably so.

Kids don't care what party they have, right? They want cake and they want to run around. Nothing else matters. But in this escalation, all the kids want parties like their friends. So, if all the friends have an amazing, expensive party, they all want the same thing. If we all got to scale down as a coordinated effort, all the kids would have been just as happy.