Explorer Quotes and aphorisms about three Davy Crockett ,, I learned to read a little in my primer, to write my own name, and to cypher some in the three firs... Bear Grylls Reinhold Messner Reinhold Messner ,, There are three elements of mountaineering - difficulty, danger, and exposure. Difficulty is the te... Meriwether Lewis Elizabeth Kapu'uwailani Lindsey Charles Sturt Humphrey Gilbert