Rudolf Steiner, speaking in 1910: "It is certainly of the greatest importance that there should be clairvoyants capable of bringing over communications from the spiritual world and handing them on to others. This brings blessing to our day, for our age has need of wisdom and cannot advance unless it gets it. Such communications are necessary to the culture of the present time. If not recognized today, in fifty or a hundred years it will be the universal conviction of all mankind that culture cannot advance but must perish unless convinced of spiritual wisdom."