人类大脑由许多专门化的神经回路组成，这些回路进化出来是为了解决我们祖先在进化历史中面临的特定问题。

Ring the bells that still can ring, forget your perfect offering. There is a crack in everything, that's how the light gets in.

如果你不感到不适，你就没有成长。

In computing, turning the obvious into the useful is a living definition of the word 'frustration'.