Remind yourself that your precious one isn't one of your possessions, but something given for now, not forever. - Epictetus

An ignorant person is one who is tossed about between elation and despair by external forces and events.

Rather than death or exile, if we feared fear itself, we would practise avoiding the things we believe to be bad. [20] As it is, in the classroom we’re fierce and fluent, quick to answer any little question on these topics, and adept at drawing the right conclusion.

Don't concern yourself with other people's business. It's his problem if he receives you badly. And you cannot suffer for another person's fault. So don't worry about the behavior of other.