Lǎoyíbèi kēxuéjiā yīzhí bǎochí zhe jiānkǔ-pǔsù de zuòfēng.
The older generation of scientists has always maintained a hardworking and frugal lifestyle.
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Strongly virtuous and politically resonant in PRC discourse - a hallmark phrase of revolutionary-era and Party-style praise. Sounds preachy if used about everyday people; reserve for formal commendation.