Both the cockroach and the bird would get along very well without us, although the cockroach would miss us most.

How anyone can profess to find animal life interesting and yet take delight in reducing the wonder of any animal to a bloody mass of fur or feathers?

In the long run our boasted control of nature is a delusion.

Electronic calculators can solve problems which the man who made them cannot solve; but no government-subsidized commission of engineers and physicists could create a worm.

Though many have tried, no one has ever yet explained away the decisive fact that science, which can do so much, cannot decide what it ought to do.

Every time a value is born, existence takes on a new meaning; every time one dies, some part of that meaning passes away.

To be individually righteous is the first of all duties, come what may to ones self, to one's country, to society, and to civilization itself.