A man doesn't know what he knows until he knows what he doesn't know.
Middle age is when anything new in the way you feel is most likely a symptom.
Humility is the embarrassment you feel when you tell people how wonderful you are.
Against logic there is no armor like ignorance.
The devil could change. He was once an angel and may be evolving still.
Psychiatry enables us to correct our faults by confessing our parents' shortcomings.