• When we get tired, we make mistakes, which means more time and money must be put into correcting those mistakes. 
• When we get tired, it takes us longer to do things, costing more time and money to do...

1. Changing Handles: Everything has two handles and you can choose which one to grasp. If your brother has wronged, you, you can look at it in two ways: 1) He wronged you. 2) He is your brother.
2. Adding Or Subtracting: If you want to make some...

There are two thinking systems, each with distinct characteristics.

• System 1, or intuition. We think in this way most of the time. We respond to the world in ways that we're not conscious of and don't control. System 1 operations are fast, effortless...