育儿不是一门科学，而是一种关系。

True peace is not merely the absence of tension: it is the presence of justice.

The most exciting thing about quantum computing is that it challenges our understanding of the very nature of computation itself.

热力学第二定律，以克劳修斯给出的形式，告诉我们自然界存在趋向某种我们称之为热平衡状态的倾向。