Meditations by Marcus Aurelius Book 10 Page 3

That done, if thou find not that thy nature, as thou art a living sensible creature, will be the worse for it, thou mayest proceed. Next then thou must examine, what thy nature as thou art a living sensible creature, doth require. And that, whatsoever it be, thou mayest admit of and do it, if thy nature as thou art a reasonable living creature, will not be the worse for it.

Now whatsoever is reasonable, is also sociable, Keep thyself to these rules, and trouble not thyself about idle things.

III. Whatsoever doth happen unto thee, thou art naturally by thy natural constitution either able, or not able to bear. If thou beest able, be not offended, but bear it according to thy natural constitution, or as nature hath enabled thee. If thou beest not able, be not offended. For it will soon make an end of thee, and itself,