We especially need imagination in science. It is not all mathematics, nor all logic, but it is somewhat beauty and poetry.

To consider the school as a place where instruction is given is one point of view. But, to consider the school as a preparation for life is another. In the latter case, the school must satisfy all the needs of life.

It is in the encounter of the maternal guiding instincts with the sensitive periods of the newly born that conscious love develops between parent and child.

What is a scientist?... We give the name scientist to the type of man who has felt experiment to be a means guiding him to search out the deep truth of life, to lift a veil from its fascinating secrets, and who, in this pursuit, has felt arising within him a love for the mysteries of nature, so passionate as to annihilate the thought of himself.

Preventing war is the work of politicians, establishing peace is the work of educationists.

The child is an enigma… He has the highest potentialities, but we do not know what he will be.

The goal of early childhood education should be to activate the child's own natural desire to learn.