Annihilation (Southern Reach, #1)

by Jeff VanderMeer

But there is a limit to thinking about even a small piece of something monumental. You still see the shadow of the whole rearing up behind you, and you become lost in your thoughts in part from the panic of realizing the size of that imagined leviathan.

You can either waste time worrying about a death that might not come or concentrate on what’s left to you.