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.

We have no firm hold on any knowledge or philosophy that can lift us out of our difficulties.

No matter how mistaken Communist ideas may be, the experience and knowledge gained by trying them out have given a tremendous impetus to thought and imagination.

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

Certain periods in history suddenly lift humanity to an observation point where a clear light falls upon a world previously dark.

Obedience is the gateway through which knowledge, yes, and love, too, enter the mind of the child.

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