There is always an element of doubt concerning the future outcome of human affairs.

在涉及人的未来结局问题上总是有一种怀疑的因素。

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Sometimes doubt is not the opposite of faith; it is an element of faith.

有时候怀疑并不是信任的反面，而是少许的信仰。

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Doubt isn't the opposite of faith; it is an element of faith.

怀疑并不与诚信对立，而是诚信的要素。

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Secondly, it introduces an element of doubt.

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"At the end of last season, I spoke to a few people and always felt I would come back, but until everything is confirmed you don't want to say too much as there is still an element of doubt, " he said.

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