There is none so deaf as those who will not hear.
Human beings seem to have an almost unlimited capacity to deceive themselves into taking their own lies for truth.
The more wisdom you attain and more conscious you become, the crazier you will appear to others.
The ultimate ignorance is the rejection of something you know nothing about, yet to refuse to investigate.
The problem with learning the truth about things is that you lose the confidence that comes from being dumb.