'A boat crosses Niagara immediately at the foot of the falls, where the water is quite still, the fallen mass curving under it. We are in precisely the same position with regard to our atmospheric cataract here.

“一艘船在瀑布脚下立即穿过尼亚加拉，那里的水很平静，坠落的物质在它下面弯曲。关于我们这里的大气白内障，我们处于完全相同的位置。