Education must focus on the trunk of the tree of knowledge, revealing the ways in which the branches, twigs, and leaves all emerge from a common core
Tools for thinking stem from this core, providing a common language with which practitioners in different fields may share their experience of the process of innovation and discover links between their creative activities
When the same terms are employed across the curriculum, students begin to link different subjects and classes
If they practice abstracting in writing class, if they work on abstracting in painting or drawing class, and if, in all cases, they call it abstracting, they begin to understand how to think beyond disciplinary boundaries
They see how to transform their thoughts from one mode of conception and expression to another
Linking the disciplines comes naturally when the terms and tools are presented as part of a universal imagination