The greatest crimes have been found, in many instances, to be compatible with a superstitious piety and devotion; hence it is justly regarded as unsafe to draw any inference in favor of a man's morals, from the fervor or strictness of his religious exercises, even though he himself believe them sincere.
David HumeThe imagination of man is naturally sublime, delighted with whatever is remote and extraordinary, and running, without control, into the most distant parts of space and time in order to avoid the objects, which custom has rendered too familiar to it.
David HumeFrom the apparent usefulness of the social virtues, it has readily been inferred by sceptics, both ancient and modern, that all moral distinctions arise from education, and were, at first, invented, and afterwards encouraged ... in order to render men tractable, and subdue their natural ferocity and selfishness, which incapacitated them for society.
David HumeNothing is pure and entire of a piece. All advantages are attended with disadvantages. A universal compensation prevails in all conditions of being and existence.
David Hume