If speculation tends thus to ...

If speculation tends thus to a terrific unity, in which all things are absorbed, action tends directly back to diversity. The first is the course or gravitation of mind; the second is the power of nature. Nature is manifold. The unity absorbs, and melts or reduces. Nature opens and creates. These two principles reappear and interpenetrate all things, all thought; the one, the many.
If speculation tends thus to a terrific unity, in which all things are absorbed, action tends directly back to diversity. The first is the course or gravitation of mind; the second is the power of nature. Nature is manifold. The unity absorbs, and melts or reduces. Nature opens and creates. These two principles reappear and interpenetrate all things, all thought; the one, the many.

Quotes from the same author

Thought is the blossom; language the bud; action the fruit behind it.
The invariable mark of wisdom is to see the miraculous in the common.
Our distrust is very expensive.
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Do not follow where the path may lead. Go, instead, where there is no path and leave a trail.