A company is an entity distinct alike from its shareholders and its directors. Some of its powers may, according to its articles, be exercised by directors, certain other powers may be reserved for the shareholders in general meeting. If powers of management are vested in the directors, they and they alone can exercise these powers. The only way in which the general body of shareholders can control the exercise of powers by the articles in the directors is by altering the articles, or, if opportunity arises under the articles, by refusing to re-elect the directors of whose actions they disapprove. They cannot themselves usurp the powers which by the articles are vested in the directors any more than the directors can usurp the powers vested by the articles in the general body of shareholders.