As they say in the bible, that you're supposed to rejoice when people die and mourn when they're born, because it's one of the most painful acts you go through in life, is being born, and dying.
“From a scientific perspective there is some indication that a nuclear war could deplete the earth's ozone layer or, less likely, could bring on a new Ice Age - but there is no suggestion that either the created order or mankind would be destroyed in the process.”
“When you're young, try to be realistic; as you get older, become idealistic. You'll live longer.”