There are genuine mysteries in the world that mark the limits of human knowing and thinking. Wisdom is fortified, not destroyed, by understanding its limitations. Ignorance does not make a fool as surely as self-deception.
Mortimer AdlerSin is not only manifested in certain acts that are forbidden by divine command. Sin also appears in attitudes and dispositions and feelings. Lust and hate are sins as well as adultery and murder. And, in the traditional Christian view, despair and chronic boredom - unaccompanied by any vicious act - are serious sins. They are expressions of man's separation from God, as the ultimate good, meaning, and end of human existence.
Mortimer AdlerI find the selectivity of erotic love - the choice of this man or this woman - much more intelligible if liking the person is the origin of sexual interest, rather than the other way.
Mortimer AdlerIf your friend wishes to read your 'Plutarch's Lives,' 'Shakespeare,' or 'The Federalist Papers,' tell him gently but firmly, to buy a copy. You will lend him your car or your coat - but your books are as much a part of you as your head or your heart.
Mortimer Adler