[first lines]
[subtitled version]
Narrator: Man... probably the most mysterious species on our planet. A mystery of unanswered questions. Who are we? Where do we come from? Where are we going? How do we know what we think we know? Why do we believe anything at all? Countless questions in search of an answer... an answer that will give rise to a new question... and the next answer will give rise to the next question and so on. But, in the end, isn't it always the same question? And always the same answer?