The medical body is to be distinguished from political bodies in that it does not seek to limit the liberty of others or to impose laws and obligations upon the citizens; its imperative applies only to itself; its `jurisdiction is concentrated within itself';' but it is also to be distinguished from other professional bodies because it is intended not to preserve rights and obscure traditions but to confront and to communicate knowledge: without an established organ, enlightenment would be extinguished at birth and individual experience lost for all.