Considering the importance of resentment in our lives, and the damage it does, it receives scant attention from psychiatrists and psychologists. Resentment is a great rationalizer: it presents us with selected versions of our own past, so that we do not recognize our own mistakes and avoid the necessity to make painful choices.

All forms of human happiness contain within themselves the seeds of their own decomposition.

We all resort to the ad hominem from time to time: in human affairs, it is difficult to avoid it, and probably not desirable. After all, our opponents are human. The proper use of an ad hominem argument, however, still requires evidence to back it up.

Many young people now end a discussion with the supposedly definitive and unanswerable statement that such is their opinion, and their opinion is just as valid as anyone else's. The fact is that our opinion on an infinitely large number of questions is not worth having, because everyone is infinitely ignorant.

I do not think it possible for anyone to get by in life without prejudice. However, the attempt to do so leads many people to suppose that, in order to decide any moral question, they have to find an indubitable first principle from which they can deduce an answer.