Naturalism

When it occurs to a man that nature does not regard him as important, and that she feels she would not maim the universe by disposing of him, he at first wishes to throw bricks at the temple, and he hates deeply the fact that there are no bricks and no temples.  

[...]

A man said to the universe: 
"Sir, I exist!" 
"However," replied the universe, 
"The fact has not created in me 
A sense of obligation." 

— Stephen Crane