Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.
农民是最早的环保主义者;我们必须支持他们发挥这一关键作用。
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
膨胀宇宙模型表明,宇宙在大爆炸后的最初几分之一秒内呈指数级膨胀。
The young do not know enough to be prudent, and therefore they attempt the impossible – and achieve it, generation after generation.