“Constantly test your mental impressions – each one individually, if you can: investigate the cause, identify the emotion, apply the analysis of logic.”
-Marcus Aurelius, Meditations, 8.13 (trans. Hammond)
It’s helpful to remember that the emperor Marcus Aurelius, when he wrote his “Meditations,” was writing to himself as a form of (Stoic) philosophical exercise, and never intended these to published or read by others. In fact the title that comes with the manuscript is not “Meditations,” but “To Himself.”