The secret to truly understanding people? Meeting many different kinds and seeing what's universal.

Break out from your comfort zone and carpe diem.

There are a lot of people out there. Billions of them!

But here's a question for you: Is most of humankind actually kind?

We know, it can be a tricky question. It seems simple, but the answer can get complicated — fast.

Image via Thinkstock.

Researchers were also curious about this kindness thing, so they conducted some interesting studies.

They found that when people thought about their own social circles, they said those...

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