To know and not do, is to not yet know.
True knowledge is when one knows the limitations of one's knowledge.
Your eyes are always bigger than your stomach.
She who is born with beauty is born with a sorrow for many a man.
To take what you know for what you know, and what you do not know for what you do not know, that is knowledge indeed.
Among the appliances to transform the people, sound and appearances are but trivial influences.