Emancipate yourselves from mental slavery, none but ourselves can free our minds.
The poem is a way of holding on to what otherwise would be lost.
教学不是注满一桶水,而是点燃一把火
通往可持续能源未来的道路需要一种平衡的方法,考虑经济、环境和社会因素。
The notion of truth is not definable in any formal system that is strong enough to include arithmetic.
The challenge is to find the truth in the fiction.