1967年1月,身系“彭高习反党集团”冤案的习仲勋被“造反派”揪到西安批斗,一度关押在西北大学。此时,“造反派”派出中文系三年级学生孟德强看管习仲勋,那年孟德强21岁,习仲勋54岁,这一对老少在一起同吃同住了72个日日夜夜。出于本能和良知,盂德强给了这个刚好与他父亲同岁的老人尽可能的保护和照顾,两个人经常在停电后的漫漫黑夜里隔桌相坐,倾心交流,成为“忘年交”。几年前,习仲勋的秘书张志功联系到早已在宁夏退休的孟德强,让他把这72天的经历 In January 1967, Xi Zhongxun, a member of the “Peng Gao Xi Anti-Party Group”, was arrested by the “rebel group” for fighting in Xi’an and was once detained at Northwestern University. At this time, the “rebel group” sent a third-year Chinese student Meng Deqiang to supervise Xi Zhongxun. At that time, Meng Deqiang was 21 years old and Xi Zhongxun was 54 years old. The young and old lived together for 72 days and nights. Out of instinct and conscience, Medon gave the elderly, who was exactly the same age as his father, as much protection and care as possible. Both of them often sat around tables in the dark night after a power outage, ". A few years ago, Xi Zhongxun’s secretary, Zhang Zhigong, contacted Meng Deqiang, who had already retired in Ningxia, letting him put these 72 days’ experience