Rainer Brüderle, the 65-year-old economy minister, earned kudos for defending liberal principles (by opposing a rescue of carmaker Opel, for example).

65岁的经济部长Rainer Bruderle曾因其捍卫自由经济原则的举动而声名鹊起（例如，反对救助车厂欧宝）。

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Thinkers such as John Rawls defended liberal principles with more argument.

ECONOMIST: Isaiah Berlin

Mrs Williams said that if Wales were to be given income tax varying powers, the Welsh Liberal Democrats would want to lower the basic income tax rate to make the tax system fairer and continue Lloyd George's progressive and Liberal principles.

BBC: Kirsty Williams

That can be done, because conservative principles, not liberal dogma, best reflect the ideals that made this nation great.

WSJ: Jeb Bush: The Road to Republican Revival