V. Machinery has poetry in it because in expressing the infinity of man it expresses the two great immeasurable ideas of poetry and of the imagination and of the soul in all ages—the two forms of infinity—the liberty and the unity of man.
The substance of a beautiful thing is its Idea.
A beautiful thing is beautiful in proportion as its form reveals the nature of its substance, that is, conveys its idea.
Machinery is beautiful by reason of immeasurable ideas consummately expressed.
PART FOUR
THE IDEAS BEHIND THE MACHINES
The ideas of machinery in their several phases are sketched in chapters as follows:
I. II. The idea of the incarnation. The God in the body of the man.
III. The idea of liberty—the soul’s rescue from environment.
IV. The idea of immortality.