If from the moment they get up in the morning they adhere to their ideals, eating and bathing like a person of integrity, putting their principles into practice in every situation they face – the way a runner does when he applies the principles of running, or a singer those of musicianship – that is where you will see true progress embodied, and find someone who has not wasted their time making the journey here from home.
Epictetus, Discourses I, 4.20