The answer is an obvious no.
Atheism is not a claim, it is a response to a claim. There is no need to make a case for the disbelief of a claim unsupported by demonstrable evidence and reasoned argument.
Atheism is not a claim, it is a response to a claim. There is no need to make a case for the disbelief of a claim unsupported by demonstrable evidence and reasoned argument.
You'd believe if you just opened your heart" is a terrible argument for religion. It's basically saying, "If you bias yourself enough, you can convince yourself that this is true." If religion were true, people wouldn't need faith to believe it -- it would be supported by good evidence.