Many people in similarly desperate circumstances give in or go mad. Something the survivors do with their thoughts helps them find the guts to carry on in spite of overwhelming odds.

许多人在遭遇类似的绝境时会选择放弃或精神失常，但幸存下来的人，靠的是心中的信念，是信念给予了他们战胜一切恶劣情况的勇气和决心。

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Now we've got to have the guts to go through with it.

BBC: News Online