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 destroying not merely the fruits but the very root of truth as it grows within the human mind. Yet the argument receives additional force when we consider the actual history of human belief. The candid man who knows anything of the movements of thought will recognize that even the faith which is most vital to him is something that has grown through the generations, and he may infer, if he is reasonable, that as it has grown in the past so, if it has the vital seed within it, it will grow in the future. It may be permanent in outline, but in content it will change. But, if truth itself is an expanding circle of ideas that grows through criticism and by modification, we need say no more as to the rough and imperfect apprehension of truth which constitutes the dominant opinion of society at any given moment. It needs little effort of detachment to appreciate the danger of any limitation of inquiry by the collective will whether its organ be law or the repressive force of public opinion.

The foundation of liberty on this side, then, is the conception of thought as a growth dependent on spiritual laws, flourishing in the movement of ideas as guided by experience,