Plan for this world as if you expect to live forever; but plan for the hereafter as if you expect to die tomorrow.
“For this is our most perfect duty and yet least known to us by nature: Whatever we conceive or will should be joined with the good of our neighbor.”
“It's more fun having him as everyman in the 25th Century. It is better to concentrate on what this planet will be like 500 years from now, and not be dealing with little aliens in space and all that related stuff.”