Deceit is a kind of garment that conceals the soul. It might even be compared to a whole wardrobe, so many are its guises.

The most important period of life is not the age of university studies, but the first one, the period from birth to the age of six.

We must clearly understand that when we give the child freedom and independence, we are giving freedom to a worker already braced for action, who cannot live without working and being active.

A child starts from nothing and advances alone. It is the child's reason about which the sensitive periods revolve. The reason provides the initial force and energy, and a child absorbs his first images to assist the reason and act on it.

Establishing lasting peace is the work of education; all politics can do is keep us out of war.

It is not in human nature for all men to tread the same path of development, as animals do of a single species.

There should be music in the child's environment, just as there does exist in the child's environment spoken speech. In the social environment the child should be considered and music should be provided.