We will not attack unless we are attacked; if we are attacked, we will certainly counterattack

人不犯我,我不犯人,人若犯我,我必犯人
Ren bu fan wo, wo bu fan ren; ren ruo fan wo, wo bi fan ren
We will not attack unless we are attacked; if we are attacked, we will certainly counterattack
1970, May
Office for the publication of the writings of Chairman Mao of the Revolutionay Committee of Inner Mongolia Autonomous Region (内蒙古自治区革命委员会毛主席著作出版办公室)
54x77 cm.
BG E15/335

The caption is provided in Chinese and Mongolian.