High opinion To have a notepad, laptop, PDA, A/V recorder, etc. in every room in your house, in your car(s), at work, etc. means to have a very high opinion of yourself.
Cynicism Cynicism is when we insist upon our opinion, even after we realize that we got it all wrong. Or, better yet – pure sadism.
Opinion In my opinion, children should be paid to go to school. At least some profit from those wasted years.