Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring - not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive. Carl Sagan
There are some four million different kinds of animals and plants in the world. Four million different solutions to the problems of staying alive. David Attenborough
There are some four million different kinds of animals and plants in the world. Four million different solutions to the problems of staying alive. This is the story of how a few of them came to be as they are. David Attenborough
Pity they didn't devote a little more ingenuity to staying alive rather than conducting mass slaughter as efficiently as possible. Iain Banks
Staying alive is nice, but you can't do that forever. It's how you live the life you have while you have it. Frank Peretti
Staying alive was what we did to pass the time. Meg Rosoff