If the child is left to himself, he will think more and better, if less showily. Let him go and come freely, let him touch real things and combine his impressions for himself.

Language grows out of life, out of its needs and experiences...Language and knowledge are indissolubly connected; they are interdependent. Good work in language presupposes and depends on a real knowledge of things.

The truth is not wonderful enough to suit the newspapers; so they enlarge upon it, and invent ridiculous embellishments.

We imagine that we want to escape our selfish and commonplace existence, but we cling desperately to our chains.

Every renaissance comes to the world with a cry, the cry of the human spirit to be free.

We are afraid of ideas, of experimenting, of change. We shrink from thinking a problem through to a logical conclusion.

Why, it is as easy to teach the name of an idea, if it is clearly formulated in the child's mind, as to teach the name of an object.