If the heavens were all parchment, and the trees of the forest all pens, and every human being were a scribe, it would still be impossible to record all that I have learned from my teachers.

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

The great difficulty in education is to get experience out of ideas.

All that we know is nothing can be known. 

I wonder whether if I had an education I should have been more or less a fool than I am. 

That which is evil is soon learned. 

It is a greater advantage to be honestly educated than honorably born.

I am an old scholar, better-looking now than when I was young. That’s what sitting on your ass does to your face.

In large states public education will always be mediocre, for the same reason that in large kitchens the cooking is usually bad. 

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? 

Rewards and punishment are the lowest form of education.

Spoon feeding in the long run teaches us nothing but the shape of the spoon.

Repetition is the mother of education.