检验是非得失，只能有一条标尺。标尺一多，就会乱套。实践是检验真理的惟一标准，很好。但也曾有人说，思想、主义也是检验真理的标准，于是麻烦就来了，一旦思想、主义与实践相悖，服从哪一条标准？这一点，通过真理标准的讨论，总算是弄明白了，至少在理论上。把人民群众满 Test gains and losses, there can only be a ruler. A ruler, it will be arbitrary. Practice is the only test of truth, which is fine. However, some people once said that ideology and doctrine are also the standards for testing truth. So troubles are coming. Once ideology, doctrine and practice are contrary to each other, what standard should be followed? This point, through the discussion of truth standards, finally figured it out, at least in theory. Populate the masses