Berger lifespan free chapters 1-3 There does not appear to be any embeddable content at this address. Source: https://books.google.com/books?id=MjsYBgAAQBAJ&pg=PA521&lpg=PA521&dq=combining+subjective+and+objective+thought&source=bl&ots=BA8pOT-tFk&sig=1fIRyJMXmhwLTCoHejAja3EZdJY&hl=en&sa=X&ei=dPkhVeCEJMLwoAT5iICgBA&ved=0CDUQ6AEwAw#v=onepage&q=combining%20subjective%20and%20objective%20thought&f=false