"Human freedom is realised in the adoption of humanity as an end in itself, for the one thing that no-one can be compelled to do by another is to adopt a particular end. - 'Metaphysical Principles of Virtue"

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All great movements, it is written, go through three stages: ridicule, discussion, adoption. It is the realisation of this third stage, adoption, that requires our passion and our discipline, our hearts and our heads. The fate of animals is in our hands.

— Tom Regan