The Circle of Life: A Search for an Attitude to Pain, Disease, Old Age and Death

able accept action activity animals answer appear attempts bacteria become beginning believe body brain cause cells certain changes consciousness continue danger deal death described difficult disease disturbances doctors earth effect emotions eternal example existence experience explain fear feeling follows forces function given gives greater happened human idea important increase individual inner interest knowledge known less limited living longer look man's matter means measured medicine method mind namely nature necessary never operation organic pain patient person philosophy physical physician plants possess possible present processes produced psychic question reached realize regarded remain responsible result scientists sense sometimes spirit strange structure struggle suffering surgeon theory things thought tissues treatment true truth understand universe various whilst whole