If we are so contemptibly selfish that we can’t radiate a little happiness and pass on a bit of honest appreciation without trying to screw something out of the other person in return—if our souls are no bigger than sour crab apples, we shall meet with the failure we so richly deserve.

criticism is dangerous, because it wounds a person's precious pride, hurt his sense of importace and arouse resentment.

The only way to get the best of an argument is to avoid it.

Become genuinely interested in other people.

Did you ever see an unhappy horse? Did you ever see bird that had the blues? One reason why birds and horses are not unhappy is because they are not trying to impress other birds and horses.

In short, we lose the freshness and spontaneity of true conversation. These are areas in which everyone interested in self-improvement will seek to improve.

If half a century of living has taught me anything at all, it has taught me that nothing can bring you peace but yourself.