Cambridge English Key 6. Student's Book without Answers

It's like living in a lifeboat. We breathe the air that Russians have breathed, and Zambians and Tasmanians and people all over the planet. Whatever the causes that divide us, as I said before, it is clear that the Earth will be here a thousand or a million years from now. The question, the key question, the central question-in a certain sense the only question-is, will we? Nine THE SEARCH Without knowing what I am and why I am here, life is impossible. • Leo Tolstoy, Anna Karenina • If we don't find life literally impossible without answering that question, at least its difficulties increase. It is very reasonable for humans to want to understand something of our context in a broader universe, awesome and vast. It is also reasonable for us to want to understand something about ourselves. Since we have powerful unconscious processes, this means that there are parts of our selves that are hidden from us. And this two-pronged investigation into the nature of the world and the nature of our selves is, to a very major degree, I believe, what the human enterprise is about ...»