Doubt has been around for a really long time and for a good reason. A lion seeing a herd

of antelope has to decide which antelope to chase down.

He doesn't get very many chances to exert that much energy

to find dinner tonight.

Some of the antelope start jumping up and down. They're pronging, displaying for the lion that they've got so much energy to spare.

They're happy to waste it in a silly dance for him. Maybe they're bluffing, maybe they're not.

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Doubt goes back to the primordial soup.

If you need to eat, you need to find something to eat.

And if you make a mistake mistake you might not get fed. But doubt gets multiplied when we start

adding humans to the mix. When we lived in small groups, nomadic tribes, we didn't see very many strangers.

As a result, trust was inevitable because you were surrounded by people for the long haul.

It became pretty clear to human beings early on in our consciousness that if you double

cross someone today, they're more likely to doubt you tomorrow.

And so we end up with this bias toward good behavior to the people that were in intimate contact with.

This explains the biblical prohibition against usury, against charging interest to someone in the tribe. If someone is in your

circle, your sister, your friend, your neighbor, of course you don't charge them

interest because you know you're going to get paid back.

I loaned you those four seeds.

After your tree grows, I'll get those four seeds back.

We're in it together for the long haul. On the other hand, you were

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