He said, 'the lesson for today is this: it is better to travel withhope in one's heart than toarrive in safety. Do you understand?'

'No sir.''It means that we should celebrate today's failurebecause it is a clear sign that our voyage of discovery is notyet over. The day the experiment succeeds is the daythe experiment ends. And Iinevitably find that the sadness of ending outweighs the celebration ofsuccess.'"~Jacqueline Kelly, The Evolution of Calpurnia Tate