A chain is no stronger than its weakest link, and life is after all a chain.
"The fundamental fact about all of us is that we're alive for a while but will die before long. This fact is the real root cause of all our anger and pain."
The beauty of Shor's algorithm is that it shows how a quantum computer can solve a problem that is believed to be intractable for classical computers.
The truth is, I don't know what I'm doing most of the time, but I do it anyway.