Meditations, Book IX, Section XXXV

Meditations, Book IX, Section XXXV: 

Will this querulousness, this murmuring, this complaining, and dissembling never be at an end? What then is it, that troubleth thee? Doth any new thing happen unto thee? What doest thou so wonder at? At the cause, or the matter? Behold either by itself, is either of that weight and moment indeed? And besides these, there is not anything. But thy duty towards the Gods also, it is time thou shouldst acquit thyself of it with more goodness and simplicity.

Rendered into contemporary English:

Will this argumentativeness, this griping, this complaining, and misrepresenting never end? What bothers you so much? Does anything actually novel or new happen to you? What makes you overreact? Because of it? Because of the cause of it? Is either the thing itself or the cause worthy of such overreaction? This aside, what is there in life that has any substance in it? It is time that you conducted your religious duties toward the gods with more goodness and simplicity. 

Well, agreed.

I got some stress recently. For a moment, I thought that I had failed in one of my responsibilities. I felt sick at my stomach. I shouldn't feel this way. It's important to do what's best for the situation, and not be emotional, even if it arises from your own mistake. Everything seems to be okay now, but I am utterly exhausted from not being able to sleep for worrying so much over the course of two days.