Whenever you act from clear judgment, doing what needs to be done, do not worry about what others will think — even if the whole world might misunder… - Epictetus

So, if you have not been invited to a party, it is because you haven’t paid the price of the invitation. It costs social engagement, conversation, encouragement, and praise. If you are not willing to pay this price, do not be upset when you don’t receive an invitation.

this is your business — to act well the given part, but to choose it belongs to another.

For when you have subjected to externals what is your own, then be a slave and do not resist, and do not sometimes choose to be a slave, and sometimes not choose, but with all your mind be one or the other.