In the first place God made idiots. This was for practice. Then he made school boards.

Human history becomes more and more a race between education and catastrophe.

A school without grades must have been concocted by someone who was drunk on nonalcoholic wine.

Knowledge is an ancient error reflecting on its youth. 

The Romans would never have found time to conquer the world if they had been obliged first to learn Latin. 

That which is evil is soon learned. 

All that we know is nothing can be known. 

Give us the child for eight years and it will be a Bolshevist forever.

Anyone who has passed through the regular gradations of a classical education, and is not made a fool by it, may consider himself as having had a very narrow escape.

Real education must ultimately be limited to men who insist on knowing—the rest is mere sheep herding.

Repetition is the mother of education.

What harm is there in getting knowledge and learning, were it from a sot, a pot, a fool, a winter mitten, or an old slipper? 

The desire of knowledge, like the thirst of riches, increases ever with the acquisition of it.