殖民地是一个新人类计划将被测试的地方,在那里一个无国界世界的梦想将被实现。
You can tell more about a person by what he says about others than you can by what others say about him.  
膨胀是一个非常大胆的想法,但它似乎是解释宇宙观测特征的唯一方法。