American Quotes and aphorisms about living Ralph Waldo Emerson Davy Crockett Davy Crockett ,, I now say that the oldest man living never heard of the president of a great nation to come down to... Edward Norton Timothy Geithner Mark Twain Groucho Marx John Lewis Steve Jobs ,, Your time is limited, so don't waste it living someone else's life. Don't be trapped by dogma - whi... Thomas Jefferson