Passion is key but it is worthless without discipline.

热情是关键，但如果没有纪律，就毫无意义。

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We can never succeed in life without discipline and hard work.

不通过磨练和努力，我们永远不会在生活中获得成功。

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Vision is nothing without discipline and perseverance —you need to make good on your promises.

你必须有纪律并坚定地实行，才能实现愿景，兑现承诺。

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And a society of different lifestyles spawned a group of young people who were brought up without parental discipline, without proper role models and without any sense of responsibility to or for others.

BBC: NEWS | UK | Politics | Full text: Blair on law and order

Trouble is, without the discipline of the free marketplace, you never know what the demand really is.

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Without the discipline of profits and loss, government largesse succumbs to human nature.

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