I don't think like that, on the contrary I doubt that atheists have ever thought of something that has never been seen.
Ask your God for pin numbers of my ATM cards and post it here.
I even doubt if an atheist has a brain in their head, because they believe they have even though they have never seen their own brain. can someone post here a picture of their brain.
Man, you can do better than this. You can use your Brain-head or at least try for a better argument. Even @BADecker would not agree with your statement.