Carefully watch your thoughts, for they become your words. Manage and watch your words, for they will become your actions. Consider and judge your actions, for they have become your habits. Acknowledge and watch your habits, for they shall become your values. Understand and embrace your values, for they become your destiny.
This is something I'd heard him say before: getting angry at another driver for a driving incident is pointless. You need to watch the drivers around you, understand their skill, confidence and aggression levels, and drive with them accordingly. Know who is driving next to you. Any problems that may occur have ultimately been caused by you, because you are responsible for where you are and what you are doing there.