"We in the Congress have a duty to tackle this problem, but the solution we settle upon should not be rushed, and the solution should not be worse than the problem we are trying to solve,".

VOA: standard.2009.10.10

So here's the solution for a hydrogen atom, where we have the e term here is equal to everything written in green.

这里是氢原子的解，这里的能量E项,等于绿色字体的部分。

麻省理工公开课 - 化学原理课程节选