From Essays Critical and Historical
"A convert is undeniably in favour with no party; he is looked at with distrust, contempt, and aversion by all. His former friends think him a good riddance, and his new friends are cold and strange; and as to the impartial public, their very first impulse is to impute the change to some eccentricity of character, or fickleness of mind, or tender attachment, or private interest. Their utmost praise is the reluctant confession that 'doubtless he is very sincere.' " - Venerable John Henry Newman, C.O.