... The act of association comprises a mutual undertaking between the public and the individuals,and is individuals in making a contract,as we may say,with himself,is bound in a double capacity;as a member of the sovereign he is bound to the individuals, and as a member of the state to the sovereign. But the maxim of civil right,that no one is bound by undertakings made to himself,dose not apply in this case;for there is a great difference between incurring an obligation to yourself and incurring one to a whole of which you form a part.