Robert Nozick says: 'Wittgenstein, Elizabeth Taylor, Bertrand Russell, Thomas Merton, Yogi Berra, Allen Ginsberg, Harry Wolfson, Thoreau, Casey Stengel, The Lubavitcher Rebbe, Picasso, Moses, Einstein, Hugh Hefner, Socrates, Henry Ford, Lenny Bruce, Baba Ram Dass, Gandhi, Sir Edmund Hillary, Raymond Lubitz, Buddha, Frank Sinatra, Columbus, Freud, Norman Mailer, Ayn Rand, Baron Rothschild, Ted Williams, Thomas Edison, H.L. Mencken, Thomas Jefferson, Ralph Ellison, Bobby Fischer, Emma Goldman, Peter Kropotkin, you, and your parents. Is there really one kind of life which is best for each of these people?'
One kind of life, indeed: which is to say precisely life, and maximal protection from pain, want and death. But, though it is what he says, Nozick doesn't actually mean 'life' here: her means 'modes of passing the time', 'ways of filling the day'. Which is important, but not the same thing as life.