Explorer Quotes and aphorisms about great Davy Crockett ,, I now say that the oldest man living never heard of the president of a great nation to come down to... Christopher McCandless Christopher Columbus Christopher Columbus Jacques Yves Cousteau Jacques Yves Cousteau Edmund Hillary ,, While on top of Everest, I looked across the valley towards the great peak Makalu and mentally work... Edmund Hillary ,, I think I mainly climb mountains because I get a great deal of enjoyment out of it. I never attempt... Edmund Hillary Edmund Hillary