The idea that excellence at performing a complex task requires a critical minimum level of practice surfaces again and again in studies of expertise.… - Malcolm Gladwell

Greenberg wanted to give his pilots an alternate identity. Their problem was that they were trapped in roles dictated by the heavy weight of their country's cultural legacy. They needed an opportunity to step outside those roles ... and language was the key to that transformation.

Mimicry, they argue, is also one of the means by which we infect each other with our emotions. In other words, if I smile and you see me and smile in response — even a microsmile that takes no more than several milliseconds — it’s not just you imitating or empathizing with me. It may also be a way that I can pass on my happiness to you.

The powerful are not as powerful as they seem – nor the weak as weak