关于《乌合之众》的英文原版名句，综合权威资料整理如下：

一、群体心理与行为特征

1. "In a crowd, the intelligence of the individual is almost completely nullified. In order to gain acceptance, individuals are willing to abandon their sense of right and wrong in exchange for a sense of security derived from belonging."（在人群中，个体的智力几乎完全消失。为了获得认同，个体愿意放弃是非观，用归属感换取安全感）

2. "The crowd is capable of only two things: embellishing success or amplifying failures."（群体只具备两种能力：锦上添花或落井下石）

3. "Individuals are capable of controlling their actions when isolated, but the crowd extinguishes individual errors and magnifies individual malice."（孤立个体能控制行为，但群体会放大错误并放大恶意）

二、社会现象与历史规律

4. "Nothing can better illustrate the power of traditional forces over the collective mind than the destruction of ancient temples and the downfall of despotic monarchs. It is not the idols worshipped in temples nor the despotic rulers who are truly dangerous, but the invisible masters who govern our souls, which can only be worn down over centuries."（没有什么比传统力量对集体心理的影响更能说明其威力了：古老的庙宇能被摧毁，暴君能被推翻，但真正危险的是无形中主宰我们灵魂的隐秘主人，只有数个世纪才能将其磨灭）

5. "Phenomena perceptible to the senses can be likened to waves, which are merely the surface manifestations of the unknown tumults lurking beneath the ocean's depths."（可感知的现象犹如波浪，只是海洋深处未知混乱的表象）

三、其他经典表述

6. "Opportunity is the true architect of political work； it transforms individual efforts into a grand historical movement."（机会是政治工作的真正建筑师；它将个体努力转化为伟大的历史运动）

7. "The crowd is a living, breathing organism, and its thoughts and actions are shaped by the collective unconscious."（群体是活生生的有机体，其思想和行为受集体无意识影响）

注：以上语录均出自古斯塔夫·勒庞的经典章节，如"第三章群体的观念、推理和想象"和"第五章社会问题"等。建议阅读原著以获取完整语境。