The famous balance of nature is the most extraordinary of all cybernetic systems. Left to itself, it is always self-regulated.

Love is ...not a fact in nature of which we become aware, but rather a creation of the human imagination.

To have passed through life and never experienced solitude is to have never known oneself. To have never known oneself is to have never known anyone.

In our hearts those of us who know anything worth knowing know that in March a new year begins, and if we plan any new leaves, it will be when the rest of Nature is planning them too.

Perhaps we are wiser, less foolish and more far-seeing than we were two hundred years ago. But we are still imperfect in all these things, and since the turn of the century it has been remarked that neither wisdom nor virtue have increased as rapidly as the need for both.

Metaphysics may be, after all, only the art of being sure of something that is not so and logic only the art of going wrong with confidence.

An abundance of some good things is perfectly compatible with the scarcity of others; that life is everywhere precarious, man everywhere small.