"Don't let the force of an impression when it first hit you knock you off your feet; just say to it: Hold on a moment; let me see who you are and what you represent. Let me put you to the test." - Epictetus
Insight: Impressions can be objective or subjective.
Insight: Perceptions are weak, observations are strong.
Principle: Practice objectivity: aim to see things are they really are.
 
"In life our first job is this, to divide and distinguish things into two categories: externals I cannot control, but the choices I make with regard to them I do control. Where will I find good and bad? In me, in my choices." - Epictetus
Insight: It is critical to distinguish what you can control from what you can't.
Insight: Every bit of energy focused on what you can't control is wasted.
Principle: Focus on what you can control.
 
"persist and resist." - Epictetus
Principle: Persist in effort.
Principle: Resist in giving in to emotion, distractions.