The greatest journeys are the ones that change us without our noticing.

Though the water running in the fountain be every one's, yet who can doubt, but that in the pitcher is his only who drew it out?

殖民地是一个新人类计划将被测试的地方，在那里一个无国界和无种族世界的梦想将被实现。

我们必须承认自己的错误并从中吸取教训。

代数簇的算术是窥探数学隐藏结构的窗口。