More quotes by Plato

"Knowledge is the food of the soul."
"We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light."
"Calligraphy is a geometry of the soul which manifests itself physically."
"Knowledge which is acquired under compulsion has no hold on the mind. Therefore do not use compulsion, but let early education be a sort of amusement; you will then be better able to discover the child's natural bent."