The beauty of physics lies in its ability to explain the complex with the simple.

要勇往直前。成功的企业家、经理和个人都是具有志在必得的气魄和一往无前的精神的人。他们会在恰当的时刻当仁不让。当其他人谨小慎微时，他们会接受风险；当其他人瞻前顾后时，他们会采取行动，但他们会选择明智的做法。这种特质是领导者的标志。

Every setback is a setup for a comeback.

Nothing can be created out of nothing.

I have enjoyed greatly the second blooming that comes when you finish the life of the emotions and you can just enjoy the things around you.

解析：良知是人天生具有的道德判断力，致良知是修身治国平天下的根本。