There is no conceivable human action which custom has not at one time justified and at another condemned.

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

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.

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

It is disastrous to own more of anything than you can possess, and it is one of the most fundamental laws of human nature that our power actually to possess is limited.

The most important part of our lives-our sensations, emotions, desires, and aspirations-takes place in a universe of illusions which science can attenuate or destroy, but which it is powerless to enrich.

Nothing is too great or too good to be true. Do not believe that we can imagine things better than they are. In the long run, in the ultimate outlook, in the eye of the Creator, the possibilities of existence, the possibilities open to us, are beyond our imagination.