It is remarkable how long men will believe in the bottomlessness of a pond without taking the trouble to sound it.

It is remarkable how long men will believe in the bottomlessness of a pond without taking the trouble to sound it.

值得注意的是，人们会相信池塘的无底洞，而不花时间去试探它。

-- Henry David Thoreau 亨利·大卫·梭罗