From all these facts there emerges a very simple abstract program for the teacher to follow in keeping the attention of the child: Begin with the line of his native interests, and offer him objects that have some immediate connection with these.

As long as there are postmen, life will have zest.

But it is the bane of psychology to suppose that where results are similar, processes must be the same. Psychologists are too apt to reason as geometers would, if the latter were to say that the diameter of a circle is the same thing as its semi-circumference, because, forsooth, they terminate in the same two points.

Every claim creates an obligation.

Mankind's common instinct for reality has always held the world to be essentially a theatre for heroism.

To be a real philosopher all that is necessary is to hate some one else's type of thinking.

Philosophy is "an unusually stubborn attempt to think clearly.