马克·吐温关于谎言的著名名言是：

"当真理还正在穿鞋的时候，谎言就能走遍半个世界"

（The truth is still putting on its shoes, but lies have already gone half the way around the world.）

其他相关名言补充

关于真理与谎言的辩证

"Truth is a matter of perspective, and a liar is just someone who is willing to listen to other perspectives."

（真理是视角问题，说谎者只是不愿倾听其他观点的人。）

社会批判

"Lies are often more damaging than truths, for truths can always be verified, whereas lies can take on a life of their own."

（谎言往往比真理更具破坏力，因为真理可验证，而谎言却能自行传播。）

人性洞察

"People will believe anything if it fits their preconceptions."

（如果与先入为主的观念相符，人们会相信任何事情。）

这些名言体现了马克·吐温对人性、社会现象的深刻洞察，通过幽默的语言揭示了普遍存在的社会问题。