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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.
我们从这样的假设开始:任何学科都可以以某种智力上诚实的形式有效地教给处于任何发展阶段的任何孩子。
盖亚假说是一种将地球视为有生命的系统的方式,不是情感上的,而是作为一个系统。
The only thing we can know is that we know nothing and that is the highest flight of human wisdom.
"The whole world is a series of miracles, but we're so used to them we call them ordinary things."