Lecture II
Now examine the leaves of a plant, and, still more, the petals. You will find that in the leaves there is a compromise between the dynamic forces of the previous year and those of the present year. The leaves contain elements that are thrust out from the earth and those that work in from the environment. It is in the petals that the forces of the present year are represented in their purest form. The coloring and so forth of the petals represents nothing that is old—it all comes from the present year.
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