The point about zero is that we do not need to use it in the operation of daily life. No one goes out to buy zero fish.

The importance of an individual thinker owes something to chance. For it depends upon the fate of his ideas in the minds of his successors.

The real history does not get written, because it is not in people's brains but in their nerves and vitals.

There is only one subject matter for education, and that is Life in all its manifestations

The true method of discovery is like the flight of an aeroplane. It starts from the ground of particular observation; it makes a flight in the thin air of imaginative generalization; and it again lands for renewed observation rendered acute by rational interpretation.

The paradox is now fully established that the utmost abstractions are the true weapons with which to control our thought of concrete fact.

Value is coextensive with reality.