The academic mind reflects infinity, and is full of light by the simple process of being shallow and standing still.

The disadvantage of men not knowing the past is that they do not know the present.

Theology is only thought applied to religion.

There cannot be a nation of millionaires, and there never has been a nation of Utopian comrades; but there have been any number of nations of tolerably contented peasants.

Children are grateful when Santa Claus puts in their stockings gifts of toys or sweets. Could I not be grateful to Santa Claus when he put in my stockings the gift of two miraculous legs? We thank people for birthday presents of cigars and slippers. Can I thank no one for the birthday present of birth?

But I was frightfully fond of the universe and wanted to address it by a diminutive. I often did so; and it never seemed to mind.

The prophet and the quack are alike admired for a generation, and admired for the wrong reasons.