实践是检验真理的唯一标准
shí​jiàn​shì​jiǎn​yàn​zhēn​lǐ​de​wéi​yī​biāo​zhǔn

sole truth criterion

实践是检验真理的唯一标准 (實踐是檢驗真理的唯一標準) shí​jiàn​shì​jiǎn​yàn​zhēn​lǐ​de​wéi​yī​biāo​zhǔn
sole truth criterion
Actual practice is the sole criterion for judging truth (a key principle of Deng Xiaoping theory, dating from 1978).

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