实践是检验真理的唯一标准

shí jiàn shì jiǎn yàn zhēn lǐ de wéi yī biāo zhǔnshijianshijianyanzhenlideweiyibiaozhun

1. Actual practice is the sole criterion for judging truth (item from Deng Xiaoping theory, from 1978)

Study it in Yanamino