We don't see very far in the future, we are very focused on one idea at a time, one problem at a time, and all these are incompatible with rationality as economic theory assumes it.

The often-used phrase “pay attention” is apt: you dispose of a limited budget of attention that you can allocate to activities, and if you try to you try to go beyond your budget, you will fail.

If there is time to reflect, slowing down is likely to be a good idea.

We're blind to our blindness. We have very little idea of how little we know. We're not designed to know how little we know.

We think of our future as anticipated memories.

If owning stocks is a long-term project for you, following their changes constantly is a very, very bad idea. It's the worst possible thing you can do, because people are so sensitive to short-term losses. If you count your money every day, you'll be miserable.