I think he is saying - you have to visit other solar systems and you can't have all your "life" eggs in one basket "Earth" - To learn from others and explore th

I think he is saying - you have to visit other solar systems and you can't have all your "life" eggs in one basket "Earth" - To learn from others and explore the stars to be able to start over ( a resurrection system for that day will come as foretold "deep impact", "AE", 2012 )