关于爱国的简短英文表达，可参考以下分类整理：

一、核心爱国格言

"The love of their country is with them only a mode of flattering its master； as soon as they think that master can no longer hear, they speak of everything with a frankness which is the true expression of patriotism."

（对祖国的爱不过是对主人的奉承，只有当主人听不见时，他们才会坦率表达爱国之情。）

"The biggest honor is to defend the motherland's honor."

（保卫祖国是最崇高的荣誉。）

"Fallen man for his country, his death is glorious."

（为祖国牺牲生命是光荣的。）

二、爱国行动宣言

"For the new China, Chong ah! For the rise of China, read!"

（为新中国而奋斗!为中华崛起而读书!）

"We must carry on the patriotic public health campaign with a great fanfare, reduce disease and improve health conditions."

（必须高举爱国卫生运动旗帜，减少疾病、改善健康条件。）

三、爱国情怀表达

"He is penetrated with patriotic feeling."

（他满怀着爱国情怀。）

"A tablet commemorates his patriotic activities."

（石碑铭记他的爱国行动。）

四、爱国与责任

"The love of their country is with them only a mode of flattering its master； as soon as they think that master can no longer hear, they speak of everything with a frankness which is the true expression of patriotism."

（对祖国的爱不过是对主人的奉承，只有当主人听不见时，他们才会坦率表达爱国之情。）

"The highest spiritual aspect of humanity is patriotism."

（人类最高的精神境界是爱国。）

这些表达可结合具体场景使用，既可用于书面材料，也可用于口语表达。建议根据语境选择合适的表达方式，并注意文化差异对表达的影响。