Money numbs your senses. People who touched paper money and then placed their hands in hot burning water didn't feel as much pain as those who hadn't touched money.

We are privileged that the dollar is the "currency of last resort" and the most important currency in the world. Global commodities are priced in dollars. Central banks in other countries hold great quantities of dollars. The dollar was the safe harbor, the port in the storm during the credit crisis.

It is important to understand that the most important currency is social debt. Doing things for others. In order to get, you have to give.

Researchers have compared brain scans of those people who are making money to those high on cocaine and found that them to be almost identical. Money has a biological and psychological effect on us.

When you go to a Japense wedding, make sure that you tie the ribbon on the present tightly because if you don't, you may imply that you don't think the marriage will last.

In essence, money gives us the calories we need to survive. Over time, we became aware that exchange and cooperation increase our chances for survival. Eventually we create tools to facilitate trade. One of these tools is called money.

On a biological level, the brain registers money as something valuable - even a dollar bill which has no intrinsic value, it's just paper.