It will not do to investigate the subject of religion too closely, as it is apt to lead to infidelity.
Abraham LincolnHe [Stephen Douglas] is blowing out the moral lights around us, when he contends that whoever wants slaves has a right to hold them; that he is penetrating, so far as lies in his power, the human soul, and eradicating the light of reason and the love of liberty, when he is in every possible way preparing the public mind, by his vast influence, for making the institution of slavery perpetual and national.
Abraham Lincoln