midnight
`` Will you have my plan ? '' asked the old man . `` I will do all you ask . '' `` Meet me at the city gate to-morrow at midnight . '' The architect returned to Cologne , the image of the marvellous temple glowing in his mind . `` I shall be immortal , '' he said ; `` my name will never die . But , '' he added , `` it is the price of my soul .