There are two kinds of people in this world. Those who think they are right and those who know they are right. The difference between the two is like night and day. Those who think they are right are ... View MoreThere are two kinds of people in this world. Those who think they are right and those who know they are right. The difference between the two is like night and day. Those who think they are right are too ignorant and arrogant to believe anything different, and those who know they are right are almost always under constant, but heavy scrutiny.