四年前初入公安大学时的那一幕幕兴奋、激动的情景犹在眼前不时闪动，而今却将要与母校告别了。子在川上曰：逝者如斯夫。时光不恋人，岁月舍人去，四年的大学时光在既慢又快中度过。大一时站在大学的起跑线上，遥望跑道不着终线，曾感大学四年的漫长。大四时，忽感时光的短暂 The scene of excitement and excitement when I first entered Public Security University four years ago still flickers from time to time in my eyes, and now I am going to say goodbye to my alma mater. Son said in Sichuan: the deceased such as Si Fu. Time is not a lover, years away, four years of college time in both slow and fast spent. Freshman stood at the starting line of the university, overlooking the runway no end line, felt a long university four years. Senior, suddenly feel the time short