在马克思墓前的讲话原文如下：
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On the 14th of March, at a quarter to three in the afternoon, the greatest living thinker ceased to think. He had been left alone for scarcely two minutes, and when we came back we found him in his armchair, peacefully gone to sleep - but forever. An immeasurable loss has been sustained both by the militant proletariat - from the mines of Siberia to California, in all parts of Europe and America - and I make bold to say that though he may have had many
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马克思逝世于1883年3月14日下午两点三刻。他的逝世对于欧美战斗的无产阶级以及历史科学来说，是一个不可估量的损失。