"Because it's there" Forbes,2001年10月29日. 最初の段落:Most people think the famous climbing phrase “because it is there” was first uttered by Edmund Hillary when he and Tenzing Norgay conquered Mount Everest in 1953. Not so. Actually George Leigh Mallory, three decades earlier, said it as he prepared to scale the world’s highest peak.
[4] "Because it’s there:A Tribute to Sir Edmund Hillary", by Kurt Hettler, OUPblog(Oxford University Press's Academic Insights for the Thinking World, 2008-01-11 このタイトルに対して、"I do hope that you realize that the quote has nothing at all do with Hillary. It was said (probably sarcastically) 30 years earlier by George Mallory."のコメントがある。