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。
To be is to do.
科学中的每一个发现都是更接近理解我们在宇宙中的位置的一步。
有机体不仅学会做什么，还学会什么导致什么。
The best thing to hold onto in life is each other.