One should always be willing to admit mistakes. It is usually best to cover up one's mistakes. It is hard to know whether or not a person really likes you. How many friends you have depends upon how nice a person you are. In the long run the bad things that happen to us are balanced by the good ones.
Most misfortunes are the result of lack of ability, ignorance, laziness, or all three.
With enough effort we can wipe out political corruption. It is difficult for people to have much control over the things politicians do in office. Sometimes I can't understand how the teachers arrive at the grades they give. There is a direct connection between how hard I study and the grades I get. A good leader expects people to decide for themselves what they should do.