He fails to see that a man of intellectual agility might frame a theory and argue it out ably, and then suddenly turn over and with equal dexterity argue the other side.

Do we not have set debates with speakers appointed on each side?
That is dialectic--a trick of the mind.

But philosophy is the wine of the spirit.

The capacity then to argue the point is not the justification of a philosophy.

That justification must be found in the virtue of the philosophy that gives its believer vision and grasp of life as a whole, that warms and quickens his heart and makes him in spirit buoyant, beautiful, wise and daring.
III Let us come now to that burning question of consistency.