Don't demand or expect that events happen as you would wish them do. Accept events as they actually happen. That way, peace is possible.
EpictetusNo man is free who is not master of himself... Is freedom anything else than the power of living as we choose?
EpictetusNothing great is produced suddenly, since not even the grape or the fig is. If you say to me now that you want a fig, I will answer to you that it requires time: let it flower first, then put forth fruit, and then ripen.
EpictetusTo a reasonable creature, that alone is insupportable which is unreasonable; but everything reasonable may be supported.
Epictetus