Planck didn't listen. He studied theoretical physics and threw himself body and soul into work on entropy, a process at the heart of thermodynamics, which seemed to hold much promise for an ambitious young man.

普朗克不听，他钻研理论物理学，潜心投入了热力学的核心问题——熵的研究工作。在一个雄心勃勃的年轻人看来，研究这个问题似乎很有前途。