We are selfish when we are exclusively or predominantly concerned with the good for ourselves. We are altruistic when we are exclusively or predominantly concerned with the good of others.

Conjugal love, or the friendship of spouses, persists after sexual desires have weakened, withered, and disappeared.

To agree without understanding is inane. To disagree without understanding is impudent.

The love which moves the world, according to common Christian belief, is God's love and the love of God.

Imaginative literature primarily pleases rather than teaches. It is much easier to be pleased than taught, but much harder to know why one is pleased. Beauty is harder to analyze than truth.

Only hidden and undetected oratory is really insidious. What reaches the heart without going through the mind is likely to bounce back and put the mind out of business.

Sin 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.