Stop aspiring to be anyone other than your own best self: for that does fall within your control. - Epictetus

if you suppose any of the things not in our own control to be either good or evil, when you are disappointed of what you wish, or incur what you would avoid, you must necessarily find fault with and blame the authors. For every animal is naturally formed to fly and abhor things that appear hurtful, and the causes of them; and to pursue and admire those which appear beneficial, and the causes of them. It is impractical, then, that one who supposes himself to be hurt should be happy about the person who, he thinks, hurts him, just as it is impossible to be happy about the hurt itself. Hence,

If you decide to do something, don't shrink from being seen doing it, even if the majority of people disapprove. If you're wrong to do it, then you should shrink from doing it altogether; but if you're right, then why worry how people will judge you?

It is the mark of a cude disposition to spend most of one's time on bodily functions such as exercise, eating, drinking, defecating and copulating. These are the things to be done just incidentally. All your attention should be on your mind.