We know that without food we would die. Without fellowship, life is not worth living.

If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be worth living.

A life lived unexplored is a life not worth living.

Life is an end in itself, and the only question as to whether it is worth living is whether you have had enough of it.

Life isn't worth living if I miss an episode

Life isn't worth living unless you're willing to take some big chances and go for broke.