Logic is the art of going wrong with confidence.

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.

Man is, perhaps, no more prone to war than he used to be and no more inclined to commit other evil deeds. But a given amount of ill will or folly will go further than it used to.

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.

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.

It is not ignorance but knowledge which is the mother of wonder.