The companies that provide debt, what do you think their goal is? Is their goal for you to fully understand the cost of your debt? No. So they're basically creating these approaches to make you feel like it is incredibly cheap or just to think about the cost per day rather the cost per year or cost for a lifetime. So debt is very simple mistake.

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

Disasters are usually a good time to re-examine what we've done so far, what mistakes we've made, and what improvements should come next.

The idea that you will make the right decision every time is very unlikely.

The people who need to overcome temptation to the highest degree have the hardest time doing it.

There's something about [cyclically] doing something over and over and over that seems to be particularly demotivating.

One of the big lessons from behavioral economics is that we make decisions as a function of the environment that we're in.