it may be in morals as it is in optics, the eye and the object may come too close to each other, to answer the end of vision. There are certain faults which press too near our self-love to be even perceptible to us.
Hannah MoreAfter all that corrupt poets, and more corrupt philosophers, have told us of the blandishments of pleasure, and of its tendency to soften the temper and humanize the affections, it is certain, that nothing hardens the heart like excessive and unbounded luxury; and he who refuses the fewest gratifications to his own voluptuousness, will generally be found the least susceptible of tenderness for the wants of others.
Hannah More