He stole the idea that the earth was at the center of the universe, probably from Aristotle.
So they both got an "F" from God, who could see that they had cheated off one another.
Also, they both got the answer wrong, which is deserving of an "F" legitimately.
"A" for effort? I've never understood that.
There's no "A" anywhere in effort.
But you know what there are? Two "F"s.
So that's what they got.
Two "F"s for effort.
Also, Ptolemy gets one more "F" for spelling his name wrong.
In fact, the "P" in his name is just an "F" that he tried to cover up by changing on his report card so his parents wouldn't be mad.