在借助望远镜观察奇妙壮观的土星时，17世纪的天文学家乔凡尼·多美尼科·卡西尼知道他找到了一项可以为之付出毕生努力的伟大事业。

When the 17th century astronomer Giovanni Domenico Cassini stared through a telescope at mighty Saturn, he knew he had found his life's great work.

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一项事业需要我们毕生的奉献。

A career needs our devotion all our lives.

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要成就一项事业，必须花掉毕生的时间。——列文虎克。

If you want to make a career, you must pay a lifetime.

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