He believed in marital fidelity.

他赞成对婚姻忠实。

《柯林斯英汉双解大词典》

He believed in giving his staff scope for initiative.

他赞成给他的员工主动的机会。

《柯林斯英汉双解大词典》

He believed in a strong central state, which was a real departure for him from the rest of the pro-slavery writers.

他相信有个强大的中央政府，这对他来说是真正地背离其他支持奴隶制的作家。

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Lincoln never joined a church, but he believed in a supreme being who created every person with a purpose in life.

VOA: special.2009.02.09

He believed in a strong central state, which was a real departure for him from the rest of the pro-slavery writers.

他坚信有个强大的中央政府,在亲奴主义作家中,他的理论着实是个大飞跃

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We don't know whether this was because he didn't want to take the chance or because he believed in categorical moral principles.

不知道他是因为不愿意冒这个险呢,还是因为他信奉绝对主义道德原则。

耶鲁公开课 - 公正课程节选

According to Isaacson, Jobs said he was "50-50" on whether he believed in God.

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He believed in something and just worked harder than other people to achieve it.

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These are things he believed in, and those are the things I believe in.

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