The earth together with its circumjacent waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle.
地球及其周围的水域实际上必须具有其阴影所揭示的形状，因为它以完美的圆弧遮蔽了月亮。
人生没有捷径，只有脚踏实地。
我看到了，我忘记了；我听到了，我记住了；我做过了，我理解了。