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.
(..) "At , Dick Avery called." "At , Dick Avery called." "At , Professor Flostre called." Lousy, rotten good-for-nothing! "Having an evening of international philosophy, poetry, song and meditation tonight at my salon." "Would be delighted if you would join us. 'mile Flostre." (..)1957 Funny Face