Conserve Your Sympathies, Fight Your Own Battles

As has not been lost on many modern-day libertarians, the ancient Greek and Roman Stoics counselled – among many other things – that since the vast majority of occurrences we encounter in life are matters beyond our control, it only makes rational sense to disregard such goings-on, and focus exclusively on those things which are of immediate concern to us, and fall within our own sphere of personal influence.