To the Family of Mr. Cai Yuanpei, Austin Road, Kowloon, Hong Kong:  Mr. Cai Yuanpei, a towering figure in the academic world and a paragon for all humanity, has suddenly passed away. Our grief is immeasurable! We hereby express our heartfelt condolences by telegram and earnestly pray that you will find comfort in time.  Respectfully,  Mao Zedong, Year of Yang.