" We are what we repeatedly do,' Aristotle said. 'Therefore, excellence is not an act, but a habit.' The stoics add to that that we are a product of our thoughts: 'Such as are your habitual thoughts, such also will be the character of your mind'; Marcus Aurelius put it. Think about your activities of the last week, as well as what you have planned for today and the week that follows. The person you'd like to be...how close do your actions actually correspond to him or her? Which fire are you feeding? Which person are you becoming? "
― Ryan Holiday , The Daily Stoic: 366 Meditations on Wisdom, Perseverance, and the Art of Living