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.
(..) Ok. Come on! You're fired. l'm sorry. l won lunch! Good philosophy! See Good in Bad, l like that. Hello? Korben! Can't you punch my number? Hi, Mom! (..)1997 The Fifth Element