社会结构的研究是对社会关系系统的研究。

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

Quiet people have the loudest minds.

Anything real begins with the fiction of what could be. Imagination is therefore the most potent force in the universe， and a skill you can get better at. It’s the one skill in life that benefits from ignoring what everyone else knows.

质量不是一种行为，而是一种习惯。

我不知道我为什么爱你，但是我爱你。