Sometimes, we posit the existence of something that we can't see so as to explain something else that we all agree takes place.

有时,我们通过假设,存在某些,我们看不到的事物以解释另一些,我们一致认同存在着的事物

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So I don't feel forced to posit the existence of a soul.

所以我没觉得我一定要接受灵魂存在的假设

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Basically that the various arguements that might be offered for believing in souls don't seem very compelling upon examinations so there's no good reason to posit this extra entity.

基本上要我们相信灵魂的,不同的理据,都经不住考察,所以我们没有很好的理由,来假设这个额外实体的存在。

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How do I posit-- why do I believe in x-rays, even though I don't see them?

我如何证实,我为什么会相信X射线是存在的,尽管我压根看不见它

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