"Do not train a child to learn by force or harshness; but direct them to it by what amuses their minds, so that you may be better able to discover with accuracy the peculiar bent of the genius of each."

"The greatest wealth is to live content with little."

"The ignorance of one who thinks he knows what he does not know, is the cause of all errors."

"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."

"Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind."