十月
October; tenth month (of the lunar year)
誓约
oath; vow; pledge; promise
猎杀红色十月号
'The Hunt for Red October', a novel by Tom Clancy
知识越多越反动
the more knowledgeable, the more reactionary (absurd anti-intellectual slogan attributed after the event to the Gang of Four 四人幫|四人帮)