While reading these lines from Steve Jobs famous speech delivered at Stanford University (in 2006) I was reminiscent of an essay (Three Days to See) written by Helen Keller, a blind author and a legend of her time.
She had discovered a ‘rule’ instead of a ‘tool’ to define life by adding philosophy to death: ‘Sometimes I have thought it would be an excellent rule to live each day as if we should die tomorrow. Such an attitude would emphasize sharply the values of life.’