Inference is always an invasion of the unknown, a leap from the known.

Many of the obstacles for change which have been attributed to human nature are in fact due to the inertia of institutions and to the voluntary desire of powerful classes to maintain the existing status.

[T]he schools, through reliance upon the spur of competition and the bestowing of special honors and prizes, only build up and strengthen the disposition that makes an individual when he leaves school employ his special talents and superior skill to outwit his fellow without respect for the welfare of others

The struggle for democracy has to be maintained on as many fronts as culture has aspects: political, economic, international, educational, scientific and artistic, religious.

In the present state of the world, it is evident that the control we have gained of physical energies, heat, light, electricity, etc., without having first secured control of our use of ourselves is a perilous affair. Without the control of our use of ourselves, our use of other things is blind; it may lead to anything.

As a society becomes more enlightened, it realizes that it is responsible not to transmit and conserve the whole of its existing achievements, but only such as make for a better future society. The school is its chief agency for the accomplishment of this end.

Communication of science as subject-matter has so far outrun in education the construction of a scientific habit of mind that to some extent the natural common sense of mankind has been interfered with to its detriment.