His 'philosophy of life' [=his way of living] is to treat people as he would like to be treated.
My 'philosophy' is to live and let live. [=let other people live the way they want to]
Her main cooking 'philosophy' is to use only fresh ingredients.
(..) Don't you talk for a living? Motivational-type stuff? I tell people how to avoid commitment. What kind of fucked-up message is that? -It's a philosophy. -It's stupid. Hey, it could have helped you. Ryan, you haven't been around much. Fuck, basically, you don't exist to us. (..)2009 Up in the Air
(..) Natalie, your definition of real is going to evolve as you get older. Can you stop condescending for one second or is that one of the principles of your bullshit philosophy? -Bullshit philosophy? -The isolation, the traveling. -Is that supposed to be charming? -No, it's simply a life choice. (..)2009 Up in the Air