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

There is no god and there is no soul. Hence, there is no need for the props of traditional religion. With dogma and creed excluded, then immutable truth is dead and buried. There is no room for fixed and natural law or permanent moral absolutes.

It science involves an intelligent and persistent endeavor to revise current beliefs so as to weed out what is erroneous, to add to their accuracy, and, above all, to give them such shape that the dependencies of the various facts upon one another may be as obvious as possible.

That which distinguishes the Soviet system both from other national systems and from the progressive schools of other countries is the conscious control of every educational procedure by reference to a single and comprehensive social purpose.

Everything depends on the quality of the experience which is had.

The young of human beings compare so poorly in original efficiency with the young of many of the lower animals, that even the powers needed for physical sustentation have to be acquired under tuition. How much more, then, is this the case with respect to all the technological, artistic, scientific, and moral achievements of humanity!

Where there is giving there must be taking.