Getting into world's hardest riddle!

Can you answer this question? It's the world's hardest riddle 

and 80 percent of Kindergartners solved it compared to 5 

percent of Stanford graduates. The word has 7 letters, 

preceded by God, greater than God, more evil than the 

devil, and if you eat it, you will die. We bet there's nothing 

you do to figure this brain teaser out.