Knowledge falters when imagination clips its wings or fears to use them.

Like the soil, mind is fertilized while it lies fallow, until a new burst of bloom ensues.

Any experience, however, trivial in its first appearance, is capable of assuming an indefinite richness of significance by extending its range of perceived connections.

It is difficult to connect general principles with such thoroughly concrete things as children.

Nature is the mother and the habitat of man, even if sometimes a stepmother and an unfriendly home.

The spontaneous power of the child, his demand for self-expression, can not by any possibility be suppressed.

Of what use, educationally speaking, is it to be able to see the end in the beginning?