01
Early Stirrings
13
The Intelligence of Perception (i)
37
The Intelligence of Perception (ii)
54
Two and Two Together
80
The Past in the Present
97
The Past in the Present
116
Concepts Take Shape
135
Pictures, Symbols, and Signs
153
What Abstraction Is Not
153
What Abstraction Is
188
With Feet on the Ground
208
Thinking With Pure Shapes
226
Words in Their Place
254
Art and Thought
274
Models for Theory
294
Vision in Education
317
Notes
325
Bibliography
339
Index