Academician of the Chinese Academy of Engineering , Principal of Xi'an Architecture Technology University, Chinese famous meterialogy expert, prefessor Xu Delong delivers a precious speech to the graduates in the multifuction hall on August 12,2010.Professor Xu expounds on the relationship among work, life and dream in simple terms from philosophical point of view with his own experience.He hopes that the graduates establish the correct life view, values and world view. Also he inculcates that the graduates should be down-to-earth, maintain a positive and modest attitude towards life and work, and study hard to become a useful person.Precious address for this year’s graduates from Professor Xu Delong