社会大脑假说认为，我们的智力进化是为了管理复杂的社会生活。
The social brain hypothesis suggests that our intelligence evolved to manage our complex social lives.
Success is not final, failure is not fatal: it is the courage to continue that counts.
过去是一个无处不在的阴影。
The mind， both in so far as it understands， and in so far as it imagines， is passive.
注意力的聚光灯之外，潜意识的暗流正在改河道。