粒子的概念只是近似的,并且只有在动量较小的极限下才有意义。
The past does not belong to us; we belong to it.
生活是10%发生在你身上的事,90%是你如何应对它。
Never to suffer would never to have been blessed.
The sea does not care if you drown.
最大的爱国主义是当你的国家行为不光彩、愚蠢、恶毒时告诉它。