"God who gave Animals self motion beyond our understanding is without doubt able to implant other principles of motion in bodies [which] we may understand as little. Some would readily grant this may be a Spiritual one; yet a mechanical one might be showne, did not I think it better to pass it by."

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It is my eyes which see, and the sight of my eyes grants beauty to the earth. It is my ears which hear, and the hearing of my ears gives its song to the world. It is my mind which thinks, and the judgement of my mind is the only searchlight that can find the truth. It is my will which chooses, and the choice of my will is the only edict I must respect.

— Ayn Rand