Ideal: hopeless to achieve, but necessary to pursue, because the pursuit gives meaning to your life.

理想也许不可能实现，但必须去追，因为追求理想会让我们的生命有意义。

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Pursue wealth and material objects if and when they are necessary and add ease and happiness to your life, but do that without attachment.

追求财富和物质对象如果他们是必要的，添加方便和幸福，你的生活，但如果没有附件。

youdao

But organizations like CAIR are increasingly using lawfare to pursue an agenda that stifles necessary analysis and discussion or otherwise compromises national security.

CENTERFORSECURITYPOLICY: Lawfare: bleeping with the enemy

But no matter how difficult change is, we will pursue it relentlessly because it is absolutely necessary to lift this country up and create an economy that leads to good jobs, broad growth, and a future our children can count on.

WHITEHOUSE: President Obama Nominates Ben Bernanke for Chairman of the Federal Reserve | The White House