We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

Sustainability isn't a choice; it's our responsibility to the planet and future generations.

The best way to predict the future is to create it.

人生は、選択の連続だ。そして、その選択が私たちの未来を形作る。

I believe that the testing of the student's achievements in order to see if he meets some criterion held by the teacher, is directly contrary to the implications of therapy for significant learning.

"The most exciting aspect of science is the discovery of something new, something that no one has ever seen before."