2 examples of non-belief in sentences

And yet, no one seems really to draw a strong, clear line between non-belief and disbelief.

The frank avowal of unpopular beliefs or non-beliefs has raised the whole level of the discussion, and perhaps has been even more advantageous to the orthodox in teaching them more humility, than to the heterodox in teaching them more courage and honesty.

2 examples of  non-belief  in sentences