Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
无知比知识更容易带来自信:正是那些知道得很少的人，而不是那些知道得很多的人，如此积极地断言这个或那个问题永远不会被科学解决。