These days I travel so much it's hard to get into a routine. When I'm on the road I tend to use hotel gyms. When I'm home in L.A. I like to hike and hit the surf. All in all I try to keep a balanced diet and exercise routine which has stood me in good stead to date.
Thus in accordance with the spirit of the Historical School knowledge of the principles of the human world falls within that world itself and the human sciences form an independent system.