This only works if someone believes the testimony of the Scriptures. As a Christian, I believe it, but this will not convince an atheist.
On the contrary, atheists are fully prepared for someone to shoot them scriptural citations. In a recently televised interview, Dinesh explained that christians need to meet atheists on their ground, by citing the empirical evidence of near death experiences. These are scientific studies that detail similar and repetitious details of seeing a bright light, dead relatives, a tunnel, etc. This, they cannot refute.