You have to love before you can be relentless.
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
写作是一种对生活的重新理解。
应该引导孩子通过自己的活动去发现真理。
自然是最伟大的智者。
意见正确而不被采纳,意见错误而不被废止,有功的人得不到奖赏,有罪的人得不到惩治,这样能够治理好百姓国家的,从来没有过。
The so-called understanding is often just a misunderstanding that is widely circulated.