This is the corollary. It's due to Clausius and it says the energy in the universe is conserved.

这是由克劳修斯得到的,这条结论说宇宙间总能量守恒。

麻省理工公开课 - 热力学与动力学课程节选

In general, the second law gave us the Clausius inequality for spontaneous change.

一般来说第二定律给出了,自发变化的克劳修斯不等式。

麻省理工公开课 - 热力学与动力学课程节选