Money is all about opportunity cost. Every time you spend on something, that's something you can't spend on something else.

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

We all want explanations for why we behave as we do and for the ways the world around us functions. Even when our feeble explanations have little to do with reality. We’re storytelling creatures by nature, and we tell ourselves story after story until we come up with an explanation that we like and that sounds reasonable enough to believe. And when the story portrays us in a more glowing and positive light, so much the better.

You can think about life as a battle between you and a doughnut shop. The doughnut shop wants you to eat another doughnut and pay the money, and you want to do it in the short term, but in the long term it's not good for you either financially or from a health perspective.

that when given the opportunity, many honest people will cheat.

In terms of the actual curriculum for management education, my own view is very simple-minded: The world is incredibly complex, it changes all the time, and we should not even hope that we could create a general model that accurately describes the world in all its possible states.

Your immediate environment is comprised of coffee shops, supermarkets, websites, apps and all kinds of things - none of which have an interest in your long-term or short-term financial well-being.